diff options
118 files changed, 3077 insertions, 732 deletions
diff --git a/Documentation/devicetree/bindings/arm/tegra/emc.txt b/Documentation/devicetree/bindings/arm/tegra/emc.txt new file mode 100644 index 0000000..09335f8 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/tegra/emc.txt @@ -0,0 +1,100 @@ +Embedded Memory Controller + +Properties: +- name : Should be emc +- #address-cells : Should be 1 +- #size-cells : Should be 0 +- compatible : Should contain "nvidia,tegra20-emc". +- reg : Offset and length of the register set for the device +- nvidia,use-ram-code : If present, the sub-nodes will be addressed + and chosen using the ramcode board selector. If omitted, only one + set of tables can be present and said tables will be used + irrespective of ram-code configuration. + +Child device nodes describe the memory settings for different configurations and clock rates. + +Example: + + emc@7000f400 { + #address-cells = < 1 >; + #size-cells = < 0 >; + compatible = "nvidia,tegra20-emc"; + reg = <0x7000f4000 0x200>; + } + + +Embedded Memory Controller ram-code table + +If the emc node has the nvidia,use-ram-code property present, then the +next level of nodes below the emc table are used to specify which settings +apply for which ram-code settings. + +If the emc node lacks the nvidia,use-ram-code property, this level is omitted +and the tables are stored directly under the emc node (see below). + +Properties: + +- name : Should be emc-tables +- nvidia,ram-code : the binary representation of the ram-code board strappings + for which this node (and children) are valid. + + + +Embedded Memory Controller configuration table + +This is a table containing the EMC register settings for the various +operating speeds of the memory controller. They are always located as +subnodes of the emc controller node. + +There are two ways of specifying which tables to use: + +* The simplest is if there is just one set of tables in the device tree, + and they will always be used (based on which frequency is used). + This is the preferred method, especially when firmware can fill in + this information based on the specific system information and just + pass it on to the kernel. + +* The slightly more complex one is when more than one memory configuration + might exist on the system. The Tegra20 platform handles this during + early boot by selecting one out of possible 4 memory settings based + on a 2-pin "ram code" bootstrap setting on the board. The values of + these strappings can be read through a register in the SoC, and thus + used to select which tables to use. + +Properties: +- name : Should be emc-table +- compatible : Should contain "nvidia,tegra20-emc-table". +- reg : either an opaque enumerator to tell different tables apart, or + the valid frequency for which the table should be used (in kHz). +- clock-frequency : the clock frequency for the EMC at which this + table should be used (in kHz). +- nvidia,emc-registers : a 46 word array of EMC registers to be programmed + for operation at the 'clock-frequency' setting. + The order and contents of the registers are: + RC, RFC, RAS, RP, R2W, W2R, R2P, W2P, RD_RCD, WR_RCD, RRD, REXT, + WDV, QUSE, QRST, QSAFE, RDV, REFRESH, BURST_REFRESH_NUM, PDEX2WR, + PDEX2RD, PCHG2PDEN, ACT2PDEN, AR2PDEN, RW2PDEN, TXSR, TCKE, TFAW, + TRPAB, TCLKSTABLE, TCLKSTOP, TREFBW, QUSE_EXTRA, FBIO_CFG6, ODT_WRITE, + ODT_READ, FBIO_CFG5, CFG_DIG_DLL, DLL_XFORM_DQS, DLL_XFORM_QUSE, + ZCAL_REF_CNT, ZCAL_WAIT_CNT, AUTO_CAL_INTERVAL, CFG_CLKTRIM_0, + CFG_CLKTRIM_1, CFG_CLKTRIM_2 + + emc-table@166000 { + reg = <166000>; + compatible = "nvidia,tegra20-emc-table"; + clock-frequency = < 166000 >; + nvidia,emc-registers = < 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 >; + }; + + emc-table@333000 { + reg = <333000>; + compatible = "nvidia,tegra20-emc-table"; + clock-frequency = < 333000 >; + nvidia,emc-registers = < 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + 0 0 0 0 >; + }; diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt new file mode 100644 index 0000000..b5846e2 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt @@ -0,0 +1,19 @@ +NVIDIA Tegra Power Management Controller (PMC) + +Properties: +- name : Should be pmc +- compatible : Should contain "nvidia,tegra<chip>-pmc". +- reg : Offset and length of the register set for the device +- nvidia,invert-interrupt : If present, inverts the PMU interrupt signal. + The PMU is an external Power Management Unit, whose interrupt output + signal is fed into the PMC. This signal is optionally inverted, and then + fed into the ARM GIC. The PMC is not involved in the detection or + handling of this interrupt signal, merely its inversion. + +Example: + +pmc@7000f400 { + compatible = "nvidia,tegra20-pmc"; + reg = <0x7000e400 0x400>; + nvidia,invert-interrupt; +}; diff --git a/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt b/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt new file mode 100644 index 0000000..90fa7da --- /dev/null +++ b/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt @@ -0,0 +1,30 @@ +* NVIDIA Tegra APB DMA controller + +Required properties: +- compatible: Should be "nvidia,<chip>-apbdma" +- reg: Should contain DMA registers location and length. This shuld include + all of the per-channel registers. +- interrupts: Should contain all of the per-channel DMA interrupts. + +Examples: + +apbdma: dma@6000a000 { + compatible = "nvidia,tegra20-apbdma"; + reg = <0x6000a000 0x1200>; + interrupts = < 0 136 0x04 + 0 137 0x04 + 0 138 0x04 + 0 139 0x04 + 0 140 0x04 + 0 141 0x04 + 0 142 0x04 + 0 143 0x04 + 0 144 0x04 + 0 145 0x04 + 0 146 0x04 + 0 147 0x04 + 0 148 0x04 + 0 149 0x04 + 0 150 0x04 + 0 151 0x04 >; +}; diff --git a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt index eb4b530..023c952 100644 --- a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt +++ b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt @@ -1,8 +1,40 @@ -NVIDIA Tegra 2 GPIO controller +NVIDIA Tegra GPIO controller Required properties: -- compatible : "nvidia,tegra20-gpio" +- compatible : "nvidia,tegra<chip>-gpio" +- reg : Physical base address and length of the controller's registers. +- interrupts : The interrupt outputs from the controller. For Tegra20, + there should be 7 interrupts specified, and for Tegra30, there should + be 8 interrupts specified. - #gpio-cells : Should be two. The first cell is the pin number and the second cell is used to specify optional parameters: - bit 0 specifies polarity (0 for normal, 1 for inverted) - gpio-controller : Marks the device node as a GPIO controller. +- #interrupt-cells : Should be 2. + The first cell is the GPIO number. + The second cell is used to specify flags: + bits[3:0] trigger type and level flags: + 1 = low-to-high edge triggered. + 2 = high-to-low edge triggered. + 4 = active high level-sensitive. + 8 = active low level-sensitive. + Valid combinations are 1, 2, 3, 4, 8. +- interrupt-controller : Marks the device node as an interrupt controller. + +Example: + +gpio: gpio@6000d000 { + compatible = "nvidia,tegra20-gpio"; + reg = < 0x6000d000 0x1000 >; + interrupts = < 0 32 0x04 + 0 33 0x04 + 0 34 0x04 + 0 35 0x04 + 0 55 0x04 + 0 87 0x04 + 0 89 0x04 >; + #gpio-cells = <2>; + gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; +}; diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c941fd0..8ef416a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -760,7 +760,7 @@ config ARCH_SA1100 select ARCH_HAS_CPUFREQ select CPU_FREQ select GENERIC_CLOCKEVENTS - select HAVE_CLK + select CLKDEV_LOOKUP select HAVE_SCHED_CLOCK select TICK_ONESHOT select ARCH_REQUIRE_GPIOLIB diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index b895a2a..66ca801 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -180,12 +180,12 @@ choice Say Y here if you want kernel low-level debugging support on i.MX50 or i.MX53. - config DEBUG_IMX6Q_UART - bool "i.MX6Q Debug UART" + config DEBUG_IMX6Q_UART4 + bool "i.MX6Q Debug UART4" depends on SOC_IMX6Q help Say Y here if you want kernel low-level debugging support - on i.MX6Q. + on i.MX6Q UART4. config DEBUG_MSM_UART1 bool "Kernel low-level debugging messages via MSM UART1" diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts index 80afa1b..6e8447d 100644 --- a/arch/arm/boot/dts/tegra-harmony.dts +++ b/arch/arm/boot/dts/tegra-harmony.dts @@ -10,19 +10,25 @@ reg = < 0x00000000 0x40000000 >; }; + pmc@7000f400 { + nvidia,invert-interrupt; + }; + i2c@7000c000 { clock-frequency = <400000>; - codec: wm8903@1a { + wm8903: wm8903@1a { compatible = "wlf,wm8903"; reg = <0x1a>; - interrupts = < 347 >; + interrupt-parent = <&gpio>; + interrupts = < 187 0x04 >; gpio-controller; #gpio-cells = <2>; - /* 0x8000 = Not configured */ - gpio-cfg = < 0x8000 0x8000 0 0x8000 0x8000 >; + micdet-cfg = <0>; + micdet-delay = <100>; + gpio-cfg = < 0xffffffff 0xffffffff 0 0xffffffff 0xffffffff >; }; }; @@ -38,13 +44,32 @@ clock-frequency = <400000>; }; - sound { - compatible = "nvidia,harmony-sound", "nvidia,tegra-wm8903"; + i2s@70002a00 { + status = "disable"; + }; - spkr-en-gpios = <&codec 2 0>; - hp-det-gpios = <&gpio 178 0>; - int-mic-en-gpios = <&gpio 184 0>; - ext-mic-en-gpios = <&gpio 185 0>; + sound { + compatible = "nvidia,tegra-audio-wm8903-harmony", + "nvidia,tegra-audio-wm8903"; + nvidia,model = "NVIDIA Tegra Harmony"; + + nvidia,audio-routing = + "Headphone Jack", "HPOUTR", + "Headphone Jack", "HPOUTL", + "Int Spk", "ROP", + "Int Spk", "RON", + "Int Spk", "LOP", + "Int Spk", "LON", + "Mic Jack", "MICBIAS", + "IN1L", "Mic Jack"; + + nvidia,i2s-controller = <&tegra_i2s1>; + nvidia,audio-codec = <&wm8903>; + + nvidia,spkr-en-gpios = <&wm8903 2 0>; + nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */ + nvidia,int-mic-en-gpios = <&gpio 184 0>; /*gpio PX0 */ + nvidia,ext-mic-en-gpios = <&gpio 185 0>; /* gpio PX1 */ }; serial@70006000 { diff --git a/arch/arm/boot/dts/tegra-paz00.dts b/arch/arm/boot/dts/tegra-paz00.dts index 61f3858..fc97254 100644 --- a/arch/arm/boot/dts/tegra-paz00.dts +++ b/arch/arm/boot/dts/tegra-paz00.dts @@ -12,6 +12,13 @@ i2c@7000c000 { clock-frequency = <400000>; + + alc5632: alc5632@1e { + compatible = "realtek,alc5632"; + reg = <0x1e>; + gpio-controller; + #gpio-cells = <2>; + }; }; i2c@7000c400 { @@ -42,6 +49,29 @@ }; }; + i2s@70002a00 { + status = "disable"; + }; + + sound { + compatible = "nvidia,tegra-audio-alc5632-paz00", + "nvidia,tegra-audio-alc5632"; + + nvidia,model = "Compal PAZ00"; + + nvidia,audio-routing = + "Int Spk", "SPKOUT", + "Int Spk", "SPKOUTN", + "Headset Mic", "MICBIAS1", + "MIC1", "Headset Mic", + "Headset Stereophone", "HPR", + "Headset Stereophone", "HPL"; + + nvidia,audio-codec = <&alc5632>; + nvidia,i2s-controller = <&tegra_i2s1>; + nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */ + }; + serial@70006000 { clock-frequency = <216000000>; }; diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts index b55a02e..876d5c9 100644 --- a/arch/arm/boot/dts/tegra-seaboard.dts +++ b/arch/arm/boot/dts/tegra-seaboard.dts @@ -13,6 +13,20 @@ i2c@7000c000 { clock-frequency = <400000>; + + wm8903: wm8903@1a { + compatible = "wlf,wm8903"; + reg = <0x1a>; + interrupt-parent = <&gpio>; + interrupts = < 187 0x04 >; + + gpio-controller; + #gpio-cells = <2>; + + micdet-cfg = <0>; + micdet-delay = <100>; + gpio-cfg = < 0xffffffff 0xffffffff 0 0xffffffff 0xffffffff >; + }; }; i2c@7000c400 { @@ -32,6 +46,32 @@ }; }; + i2s@70002a00 { + status = "disable"; + }; + + sound { + compatible = "nvidia,tegra-audio-wm8903-seaboard", + "nvidia,tegra-audio-wm8903"; + nvidia,model = "NVIDIA Tegra Seaboard"; + + nvidia,audio-routing = + "Headphone Jack", "HPOUTR", + "Headphone Jack", "HPOUTL", + "Int Spk", "ROP", + "Int Spk", "RON", + "Int Spk", "LOP", + "Int Spk", "LON", + "Mic Jack", "MICBIAS", + "IN1R", "Mic Jack"; + + nvidia,i2s-controller = <&tegra_i2s1>; + nvidia,audio-codec = <&wm8903>; + + nvidia,spkr-en-gpios = <&wm8903 2 0>; + nvidia,hp-det-gpios = <&gpio 185 0>; /* gpio PX1 */ + }; + serial@70006000 { status = "disable"; }; @@ -93,4 +133,42 @@ gpio-key,wakeup; }; }; + + emc@7000f400 { + emc-table@190000 { + reg = < 190000 >; + compatible = "nvidia,tegra20-emc-table"; + clock-frequency = < 190000 >; + nvidia,emc-registers = < 0x0000000c 0x00000026 + 0x00000009 0x00000003 0x00000004 0x00000004 + 0x00000002 0x0000000c 0x00000003 0x00000003 + 0x00000002 0x00000001 0x00000004 0x00000005 + 0x00000004 0x00000009 0x0000000d 0x0000059f + 0x00000000 0x00000003 0x00000003 0x00000003 + 0x00000003 0x00000001 0x0000000b 0x000000c8 + 0x00000003 0x00000007 0x00000004 0x0000000f + 0x00000002 0x00000000 0x00000000 0x00000002 + 0x00000000 0x00000000 0x00000083 0xa06204ae + 0x007dc010 0x00000000 0x00000000 0x00000000 + 0x00000000 0x00000000 0x00000000 0x00000000 >; + }; + + emc-table@380000 { + reg = < 380000 >; + compatible = "nvidia,tegra20-emc-table"; + clock-frequency = < 380000 >; + nvidia,emc-registers = < 0x00000017 0x0000004b + 0x00000012 0x00000006 0x00000004 0x00000005 + 0x00000003 0x0000000c 0x00000006 0x00000006 + 0x00000003 0x00000001 0x00000004 0x00000005 + 0x00000004 0x00000009 0x0000000d 0x00000b5f + 0x00000000 0x00000003 0x00000003 0x00000006 + 0x00000006 0x00000001 0x00000011 0x000000c8 + 0x00000003 0x0000000e 0x00000007 0x0000000f + 0x00000002 0x00000000 0x00000000 0x00000002 + 0x00000000 0x00000000 0x00000083 0xe044048b + 0x007d8010 0x00000000 0x00000000 0x00000000 + 0x00000000 0x00000000 0x00000000 0x00000000 >; + }; + }; }; diff --git a/arch/arm/boot/dts/tegra-trimslice.dts b/arch/arm/boot/dts/tegra-trimslice.dts index 3b3ee7d..2524768 100644 --- a/arch/arm/boot/dts/tegra-trimslice.dts +++ b/arch/arm/boot/dts/tegra-trimslice.dts @@ -26,6 +26,18 @@ status = "disable"; }; + i2s@70002800 { + status = "disable"; + }; + + i2s@70002a00 { + status = "disable"; + }; + + das@70000c00 { + status = "disable"; + }; + serial@70006000 { clock-frequency = < 216000000 >; }; diff --git a/arch/arm/boot/dts/tegra-ventana.dts b/arch/arm/boot/dts/tegra-ventana.dts index c7d3b87..2dcff87 100644 --- a/arch/arm/boot/dts/tegra-ventana.dts +++ b/arch/arm/boot/dts/tegra-ventana.dts @@ -12,6 +12,20 @@ i2c@7000c000 { clock-frequency = <400000>; + + wm8903: wm8903@1a { + compatible = "wlf,wm8903"; + reg = <0x1a>; + interrupt-parent = <&gpio>; + interrupts = < 187 0x04 >; + + gpio-controller; + #gpio-cells = <2>; + + micdet-cfg = <0>; + micdet-delay = <100>; + gpio-cfg = < 0xffffffff 0xffffffff 0 0xffffffff 0xffffffff >; + }; }; i2c@7000c400 { @@ -26,6 +40,34 @@ clock-frequency = <400000>; }; + i2s@70002a00 { + status = "disable"; + }; + + sound { + compatible = "nvidia,tegra-audio-wm8903-ventana", + "nvidia,tegra-audio-wm8903"; + nvidia,model = "NVIDIA Tegra Ventana"; + + nvidia,audio-routing = + "Headphone Jack", "HPOUTR", + "Headphone Jack", "HPOUTL", + "Int Spk", "ROP", + "Int Spk", "RON", + "Int Spk", "LOP", + "Int Spk", "LON", + "Mic Jack", "MICBIAS", + "IN1L", "Mic Jack"; + + nvidia,i2s-controller = <&tegra_i2s1>; + nvidia,audio-codec = <&wm8903>; + + nvidia,spkr-en-gpios = <&wm8903 2 0>; + nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */ + nvidia,int-mic-en-gpios = <&gpio 184 0>; /*gpio PX0 */ + nvidia,ext-mic-en-gpios = <&gpio 185 0>; /* gpio PX1 */ + }; + serial@70006000 { status = "disable"; }; diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 3da7afd..ec1f010 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -4,6 +4,11 @@ compatible = "nvidia,tegra20"; interrupt-parent = <&intc>; + pmc@7000f400 { + compatible = "nvidia,tegra20-pmc"; + reg = <0x7000e400 0x400>; + }; + intc: interrupt-controller@50041000 { compatible = "arm,cortex-a9-gic"; interrupt-controller; @@ -12,6 +17,27 @@ < 0x50040100 0x0100 >; }; + apbdma: dma@6000a000 { + compatible = "nvidia,tegra20-apbdma"; + reg = <0x6000a000 0x1200>; + interrupts = < 0 104 0x04 + 0 105 0x04 + 0 106 0x04 + 0 107 0x04 + 0 108 0x04 + 0 109 0x04 + 0 110 0x04 + 0 111 0x04 + 0 112 0x04 + 0 113 0x04 + 0 114 0x04 + 0 115 0x04 + 0 116 0x04 + 0 117 0x04 + 0 118 0x04 + 0 119 0x04 >; + }; + i2c@7000c000 { #address-cells = <1>; #size-cells = <0>; @@ -44,18 +70,18 @@ interrupts = < 0 53 0x04 >; }; - i2s@70002800 { + tegra_i2s1: i2s@70002800 { compatible = "nvidia,tegra20-i2s"; reg = <0x70002800 0x200>; interrupts = < 0 13 0x04 >; - dma-channel = < 2 >; + nvidia,dma-request-selector = < &apbdma 2 >; }; - i2s@70002a00 { + tegra_i2s2: i2s@70002a00 { compatible = "nvidia,tegra20-i2s"; reg = <0x70002a00 0x200>; interrupts = < 0 3 0x04 >; - dma-channel = < 1 >; + nvidia,dma-request-selector = < &apbdma 1 >; }; das@70000c00 { @@ -75,6 +101,8 @@ 0 89 0x04 >; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; }; pinmux: pinmux@70000000 { @@ -120,6 +148,13 @@ interrupts = < 0 91 0x04 >; }; + emc@7000f400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-emc"; + reg = <0x7000f400 0x200>; + }; + sdhci@c8000000 { compatible = "nvidia,tegra20-sdhci"; reg = <0xc8000000 0x200>; diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index ee7db98..ac4b75c 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -4,6 +4,11 @@ compatible = "nvidia,tegra30"; interrupt-parent = <&intc>; + pmc@7000f400 { + compatible = "nvidia,tegra20-pmc", "nvidia,tegra30-pmc"; + reg = <0x7000e400 0x400>; + }; + intc: interrupt-controller@50041000 { compatible = "arm,cortex-a9-gic"; interrupt-controller; @@ -12,6 +17,43 @@ < 0x50040100 0x0100 >; }; + apbdma: dma@6000a000 { + compatible = "nvidia,tegra30-apbdma", "nvidia,tegra20-apbdma"; + reg = <0x6000a000 0x1400>; + interrupts = < 0 104 0x04 + 0 105 0x04 + 0 106 0x04 + 0 107 0x04 + 0 108 0x04 + 0 109 0x04 + 0 110 0x04 + 0 111 0x04 + 0 112 0x04 + 0 113 0x04 + 0 114 0x04 + 0 115 0x04 + 0 116 0x04 + 0 117 0x04 + 0 118 0x04 + 0 119 0x04 + 0 128 0x04 + 0 129 0x04 + 0 130 0x04 + 0 131 0x04 + 0 132 0x04 + 0 133 0x04 + 0 134 0x04 + 0 135 0x04 + 0 136 0x04 + 0 137 0x04 + 0 138 0x04 + 0 139 0x04 + 0 140 0x04 + 0 141 0x04 + 0 142 0x04 + 0 143 0x04 >; + }; + i2c@7000c000 { #address-cells = <1>; #size-cells = <0>; @@ -55,9 +97,18 @@ gpio: gpio@6000d000 { compatible = "nvidia,tegra30-gpio", "nvidia,tegra20-gpio"; reg = < 0x6000d000 0x1000 >; - interrupts = < 0 32 0x04 0 33 0x04 0 34 0x04 0 35 0x04 0 55 0x04 0 87 0x04 0 89 0x04 >; + interrupts = < 0 32 0x04 + 0 33 0x04 + 0 34 0x04 + 0 35 0x04 + 0 55 0x04 + 0 87 0x04 + 0 89 0x04 + 0 125 0x04 >; #gpio-cells = <2>; gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; }; serial@70006000 { diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig index d88fb87..b5ac644 100644 --- a/arch/arm/configs/imx_v4_v5_defconfig +++ b/arch/arm/configs/imx_v4_v5_defconfig @@ -45,6 +45,7 @@ CONFIG_FPE_NWFPE=y CONFIG_FPE_NWFPE_XP=y CONFIG_PM_DEBUG=y CONFIG_NET=y +CONFIG_SMSC911X=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y @@ -79,6 +80,8 @@ CONFIG_MISC_DEVICES=y CONFIG_EEPROM_AT24=y CONFIG_EEPROM_AT25=y CONFIG_NETDEVICES=y +CONFIG_CS89x0=y +CONFIG_CS89x0_PLATFORM=y CONFIG_DM9000=y CONFIG_SMC91X=y CONFIG_SMC911X=y @@ -116,6 +119,21 @@ CONFIG_FB_IMX=y CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_LCD_L4F00242T03=y +CONFIG_MEDIA_SUPPORT=y +CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L2_COMMON=y +CONFIG_VIDEO_MEDIA=y +CONFIG_VIDEO_V4L2=y +CONFIG_VIDEOBUF_GEN=y +CONFIG_VIDEOBUF_DMA_CONTIG=y +CONFIG_VIDEOBUF2_CORE=y +CONFIG_VIDEO_CAPTURE_DRIVERS=y +CONFIG_V4L_PLATFORM_DRIVERS=y +CONFIG_SOC_CAMERA=y +CONFIG_SOC_CAMERA_OV2640=y +CONFIG_VIDEO_MX2_HOSTSUPPORT=y +CONFIG_VIDEO_MX2=y CONFIG_BACKLIGHT_PWM=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FONTS=y diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index 3cd6069..dc6f641 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -81,6 +81,8 @@ CONFIG_PATA_IMX=y CONFIG_NETDEVICES=y # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_CHELSIO is not set +CONFIG_CS89x0=y +CONFIG_CS89x0_PLATFORM=y # CONFIG_NET_VENDOR_FARADAY is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set @@ -125,7 +127,39 @@ CONFIG_IMX2_WDT=y CONFIG_MFD_MC13XXX=y CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=y +CONFIG_REGULATOR_MC13783=y CONFIG_REGULATOR_MC13892=y +CONFIG_MEDIA_SUPPORT=y +CONFIG_VIDEO_V4L2=y +CONFIG_VIDEO_DEV=y +CONFIG_VIDEO_V4L2_COMMON=y +CONFIG_VIDEOBUF_GEN=y +CONFIG_VIDEOBUF2_CORE=y +CONFIG_VIDEOBUF2_MEMOPS=y +CONFIG_VIDEOBUF2_DMA_CONTIG=y +CONFIG_VIDEO_CAPTURE_DRIVERS=y +CONFIG_V4L_PLATFORM_DRIVERS=y +CONFIG_SOC_CAMERA=y +CONFIG_SOC_CAMERA_OV2640=y +CONFIG_MX3_VIDEO=y +CONFIG_VIDEO_MX3=y +CONFIG_FB=y +CONFIG_FB_MX3=y +CONFIG_BACKLIGHT_LCD_SUPPORT=y +CONFIG_LCD_CLASS_DEVICE=y +CONFIG_LCD_L4F00242T03=y +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_BACKLIGHT_GENERIC=y +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y +CONFIG_FONTS=y +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y +CONFIG_LOGO=y +CONFIG_LOGO_LINUX_MONO=y +CONFIG_LOGO_LINUX_VGA16=y +CONFIG_LOGO_LINUX_CLUT224=y CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_MXC=y diff --git a/arch/arm/configs/magician_defconfig b/arch/arm/configs/magician_defconfig index 443675d..a691ef4 100644 --- a/arch/arm/configs/magician_defconfig +++ b/arch/arm/configs/magician_defconfig @@ -101,7 +101,7 @@ CONFIG_MFD_ASIC3=y CONFIG_HTC_EGPIO=y CONFIG_HTC_PASIC3=y CONFIG_REGULATOR=y -CONFIG_REGULATOR_BQ24022=y +CONFIG_REGULATOR_GPIO=y CONFIG_FB=y CONFIG_FB_PXA=y CONFIG_FB_PXA_OVERLAY=y diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 366a776..70709ab 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -891,7 +891,8 @@ static struct platform_device at91sam9263_isi_device = { .num_resources = ARRAY_SIZE(isi_resources), }; -void __init at91_add_device_isi(void) +void __init at91_add_device_isi(struct isi_platform_data *data, + bool use_pck_as_mck) { at91_set_A_periph(AT91_PIN_PE0, 0); /* ISI_D0 */ at91_set_A_periph(AT91_PIN_PE1, 0); /* ISI_D1 */ @@ -904,14 +905,20 @@ void __init at91_add_device_isi(void) at91_set_A_periph(AT91_PIN_PE8, 0); /* ISI_PCK */ at91_set_A_periph(AT91_PIN_PE9, 0); /* ISI_HSYNC */ at91_set_A_periph(AT91_PIN_PE10, 0); /* ISI_VSYNC */ - at91_set_B_periph(AT91_PIN_PE11, 0); /* ISI_MCK (PCK3) */ at91_set_B_periph(AT91_PIN_PE12, 0); /* ISI_PD8 */ at91_set_B_periph(AT91_PIN_PE13, 0); /* ISI_PD9 */ at91_set_B_periph(AT91_PIN_PE14, 0); /* ISI_PD10 */ at91_set_B_periph(AT91_PIN_PE15, 0); /* ISI_PD11 */ + + if (use_pck_as_mck) { + at91_set_B_periph(AT91_PIN_PE11, 0); /* ISI_MCK (PCK3) */ + + /* TODO: register the PCK for ISI_MCK and set its parent */ + } } #else -void __init at91_add_device_isi(void) {} +void __init at91_add_device_isi(struct isi_platform_data *data, + bool use_pck_as_mck) {} #endif diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index 96e2adc..bd4e68c 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -14,6 +14,7 @@ #include <linux/dma-mapping.h> #include <linux/gpio.h> +#include <linux/clk.h> #include <linux/platform_device.h> #include <linux/i2c-gpio.h> #include <linux/atmel-mci.h> @@ -28,7 +29,10 @@ #include <mach/at_hdmac.h> #include <mach/atmel-mci.h> +#include <media/atmel-isi.h> + #include "generic.h" +#include "clock.h" /* -------------------------------------------------------------------- @@ -870,6 +874,96 @@ void __init at91_add_device_ac97(struct ac97c_platform_data *data) void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} #endif +/* -------------------------------------------------------------------- + * Image Sensor Interface + * -------------------------------------------------------------------- */ +#if defined(CONFIG_VIDEO_ATMEL_ISI) || defined(CONFIG_VIDEO_ATMEL_ISI_MODULE) +static u64 isi_dmamask = DMA_BIT_MASK(32); +static struct isi_platform_data isi_data; + +struct resource isi_resources[] = { + [0] = { + .start = AT91SAM9G45_BASE_ISI, + .end = AT91SAM9G45_BASE_ISI + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9G45_ID_ISI, + .end = AT91SAM9G45_ID_ISI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9g45_isi_device = { + .name = "atmel_isi", + .id = 0, + .dev = { + .dma_mask = &isi_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &isi_data, + }, + .resource = isi_resources, + .num_resources = ARRAY_SIZE(isi_resources), +}; + +static struct clk_lookup isi_mck_lookups[] = { + CLKDEV_CON_DEV_ID("isi_mck", "atmel_isi.0", NULL), +}; + +void __init at91_add_device_isi(struct isi_platform_data *data, + bool use_pck_as_mck) +{ + struct clk *pck; + struct clk *parent; + + if (!data) + return; + isi_data = *data; + + at91_set_A_periph(AT91_PIN_PB20, 0); /* ISI_D0 */ + at91_set_A_periph(AT91_PIN_PB21, 0); /* ISI_D1 */ + at91_set_A_periph(AT91_PIN_PB22, 0); /* ISI_D2 */ + at91_set_A_periph(AT91_PIN_PB23, 0); /* ISI_D3 */ + at91_set_A_periph(AT91_PIN_PB24, 0); /* ISI_D4 */ + at91_set_A_periph(AT91_PIN_PB25, 0); /* ISI_D5 */ + at91_set_A_periph(AT91_PIN_PB26, 0); /* ISI_D6 */ + at91_set_A_periph(AT91_PIN_PB27, 0); /* ISI_D7 */ + at91_set_A_periph(AT91_PIN_PB28, 0); /* ISI_PCK */ + at91_set_A_periph(AT91_PIN_PB30, 0); /* ISI_HSYNC */ + at91_set_A_periph(AT91_PIN_PB29, 0); /* ISI_VSYNC */ + at91_set_B_periph(AT91_PIN_PB8, 0); /* ISI_PD8 */ + at91_set_B_periph(AT91_PIN_PB9, 0); /* ISI_PD9 */ + at91_set_B_periph(AT91_PIN_PB10, 0); /* ISI_PD10 */ + at91_set_B_periph(AT91_PIN_PB11, 0); /* ISI_PD11 */ + + platform_device_register(&at91sam9g45_isi_device); + + if (use_pck_as_mck) { + at91_set_B_periph(AT91_PIN_PB31, 0); /* ISI_MCK (PCK1) */ + + pck = clk_get(NULL, "pck1"); + parent = clk_get(NULL, "plla"); + + BUG_ON(IS_ERR(pck) || IS_ERR(parent)); + + if (clk_set_parent(pck, parent)) { + pr_err("Failed to set PCK's parent\n"); + } else { + /* Register PCK as ISI_MCK */ + isi_mck_lookups[0].clk = pck; + clkdev_add_table(isi_mck_lookups, + ARRAY_SIZE(isi_mck_lookups)); + } + + clk_put(pck); + clk_put(parent); + } +} +#else +void __init at91_add_device_isi(struct isi_platform_data *data, + bool use_pck_as_mck) {} +#endif + /* -------------------------------------------------------------------- * LCD Controller diff --git a/arch/arm/mach-at91/board-flexibity.c b/arch/arm/mach-at91/board-flexibity.c index eec02cd..1815152 100644 --- a/arch/arm/mach-at91/board-flexibity.c +++ b/arch/arm/mach-at91/board-flexibity.c @@ -1,7 +1,7 @@ /* * linux/arch/arm/mach-at91/board-flexibity.c * - * Copyright (C) 2010 Flexibity + * Copyright (C) 2010-2011 Flexibity * Copyright (C) 2005 SAN People * Copyright (C) 2006 Atmel * @@ -62,6 +62,13 @@ static struct at91_udc_data __initdata flexibity_udc_data = { .pullup_pin = -EINVAL, /* pull-up driven by UDC */ }; +/* I2C devices */ +static struct i2c_board_info __initdata flexibity_i2c_devices[] = { + { + I2C_BOARD_INFO("ds1307", 0x68), + }, +}; + /* SPI devices */ static struct spi_board_info flexibity_spi_devices[] = { { /* DataFlash chip */ @@ -141,6 +148,9 @@ static void __init flexibity_board_init(void) at91_add_device_usbh(&flexibity_usbh_data); /* USB Device */ at91_add_device_udc(&flexibity_udc_data); + /* I2C */ + at91_add_device_i2c(flexibity_i2c_devices, + ARRAY_SIZE(flexibity_i2c_devices)); /* SPI */ at91_add_device_spi(flexibity_spi_devices, ARRAY_SIZE(flexibity_spi_devices)); diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c index ea0d1b9..57497e2 100644 --- a/arch/arm/mach-at91/board-sam9m10g45ek.c +++ b/arch/arm/mach-at91/board-sam9m10g45ek.c @@ -24,11 +24,13 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/leds.h> -#include <linux/clk.h> #include <linux/atmel-mci.h> +#include <linux/delay.h> #include <mach/hardware.h> #include <video/atmel_lcdc.h> +#include <media/soc_camera.h> +#include <media/atmel-isi.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -185,6 +187,71 @@ static void __init ek_add_device_nand(void) /* + * ISI + */ +static struct isi_platform_data __initdata isi_data = { + .frate = ISI_CFG1_FRATE_CAPTURE_ALL, + /* to use codec and preview path simultaneously */ + .full_mode = 1, + .data_width_flags = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10, + /* ISI_MCK is provided by programmable clock or external clock */ + .mck_hz = 25000000, +}; + + +/* + * soc-camera OV2640 + */ +#if defined(CONFIG_SOC_CAMERA_OV2640) || \ + defined(CONFIG_SOC_CAMERA_OV2640_MODULE) +static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link) +{ + /* ISI board for ek using default 8-bits connection */ + return SOCAM_DATAWIDTH_8; +} + +static int i2c_camera_power(struct device *dev, int on) +{ + /* enable or disable the camera */ + pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE"); + at91_set_gpio_output(AT91_PIN_PD13, !on); + + if (!on) + goto out; + + /* If enabled, give a reset impulse */ + at91_set_gpio_output(AT91_PIN_PD12, 0); + msleep(20); + at91_set_gpio_output(AT91_PIN_PD12, 1); + msleep(100); + +out: + return 0; +} + +static struct i2c_board_info i2c_camera = { + I2C_BOARD_INFO("ov2640", 0x30), +}; + +static struct soc_camera_link iclink_ov2640 = { + .bus_id = 0, + .board_info = &i2c_camera, + .i2c_adapter_id = 0, + .power = i2c_camera_power, + .query_bus_param = isi_camera_query_bus_param, +}; + +static struct platform_device isi_ov2640 = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &iclink_ov2640, + }, +}; +#endif + + +/* * LCD Controller */ #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) @@ -377,7 +444,12 @@ static struct gpio_led ek_pwm_led[] = { #endif }; - +static struct platform_device *devices[] __initdata = { +#if defined(CONFIG_SOC_CAMERA_OV2640) || \ + defined(CONFIG_SOC_CAMERA_OV2640_MODULE) + &isi_ov2640, +#endif +}; static void __init ek_board_init(void) { @@ -399,6 +471,8 @@ static void __init ek_board_init(void) ek_add_device_nand(); /* I2C */ at91_add_device_i2c(0, NULL, 0); + /* ISI, using programmable clock as ISI_MCK */ + at91_add_device_isi(&isi_data, true); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); /* Touch Screen */ @@ -410,6 +484,8 @@ static void __init ek_board_init(void) /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); + /* Other platform devices */ + platform_add_devices(devices, ARRAY_SIZE(devices)); } MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK") diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index 3b33f07..dc8d6d4 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -107,6 +107,8 @@ struct atmel_nand_data { u8 ale; /* address line number connected to ALE */ u8 cle; /* address line number connected to CLE */ u8 bus_width_16; /* buswidth is 16 bit */ + u8 correction_cap; /* PMECC correction capability */ + u16 sector_size; /* Sector size for PMECC */ struct mtd_partition *parts; unsigned int num_parts; }; @@ -179,7 +181,9 @@ extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data); extern void __init at91_add_device_ac97(struct ac97c_platform_data *data); /* ISI */ -extern void __init at91_add_device_isi(void); +struct isi_platform_data; +extern void __init at91_add_device_isi(struct isi_platform_data *data, + bool use_pck_as_mck); /* Touchscreen Controller */ struct at91_tsadcc_data { diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 98997c2..2bf7d6e 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -42,6 +42,7 @@ config SOC_EXYNOS4212 bool "SAMSUNG EXYNOS4212" default y depends on ARCH_EXYNOS4 + select SAMSUNG_DMADEV select S5P_PM if PM select S5P_SLEEP if PM help @@ -51,6 +52,7 @@ config SOC_EXYNOS4412 bool "SAMSUNG EXYNOS4412" default y depends on ARCH_EXYNOS4 + select SAMSUNG_DMADEV help Enable EXYNOS4412 SoC support @@ -335,6 +337,7 @@ config MACH_SMDK4212 select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_KEYPAD select SAMSUNG_DEV_PWM + select EXYNOS4_DEV_DMA select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C3 select EXYNOS4_SETUP_I2C7 diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c index 060dde7..200159d 100644 --- a/arch/arm/mach-exynos/clock-exynos4.c +++ b/arch/arm/mach-exynos/clock-exynos4.c @@ -789,6 +789,13 @@ static struct clk exynos4_clk_pdma1 = { .ctrlbit = (1 << 1), }; +static struct clk exynos4_clk_mdma1 = { + .name = "dma", + .devname = "dma-pl330.2", + .enable = exynos4_clk_ip_image_ctrl, + .ctrlbit = ((1 << 8) | (1 << 5) | (1 << 2)), +}; + struct clk *exynos4_clkset_group_list[] = { [0] = &clk_ext_xtal_mux, [1] = &clk_xusbxti, @@ -1307,6 +1314,7 @@ static struct clksrc_clk *exynos4_sysclks[] = { static struct clk *exynos4_clk_cdev[] = { &exynos4_clk_pdma0, &exynos4_clk_pdma1, + &exynos4_clk_mdma1, }; static struct clksrc_clk *exynos4_clksrc_cdev[] = { @@ -1335,6 +1343,7 @@ static struct clk_lookup exynos4_clk_lookup[] = { CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk), CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1), + CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos4_clk_mdma1), CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &exynos4_clk_sclk_spi0.clk), CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk0", &exynos4_clk_sclk_spi1.clk), CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk0", &exynos4_clk_sclk_spi2.clk), diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c index 25f3ef2c..13607c4 100644 --- a/arch/arm/mach-exynos/dma.c +++ b/arch/arm/mach-exynos/dma.c @@ -29,6 +29,7 @@ #include <asm/irq.h> #include <plat/devs.h> #include <plat/irqs.h> +#include <plat/cpu.h> #include <mach/map.h> #include <mach/irqs.h> @@ -36,7 +37,7 @@ static u64 dma_dmamask = DMA_BIT_MASK(32); -static u8 pdma0_peri[] = { +static u8 exynos4210_pdma0_peri[] = { DMACH_PCM0_RX, DMACH_PCM0_TX, DMACH_PCM2_RX, @@ -69,15 +70,47 @@ static u8 pdma0_peri[] = { DMACH_AC97_PCMOUT, }; -static struct dma_pl330_platdata exynos4_pdma0_pdata = { - .nr_valid_peri = ARRAY_SIZE(pdma0_peri), - .peri_id = pdma0_peri, +static u8 exynos4212_pdma0_peri[] = { + DMACH_PCM0_RX, + DMACH_PCM0_TX, + DMACH_PCM2_RX, + DMACH_PCM2_TX, + DMACH_MIPI_HSI0, + DMACH_MIPI_HSI1, + DMACH_SPI0_RX, + DMACH_SPI0_TX, + DMACH_SPI2_RX, + DMACH_SPI2_TX, + DMACH_I2S0S_TX, + DMACH_I2S0_RX, + DMACH_I2S0_TX, + DMACH_I2S2_RX, + DMACH_I2S2_TX, + DMACH_UART0_RX, + DMACH_UART0_TX, + DMACH_UART2_RX, + DMACH_UART2_TX, + DMACH_UART4_RX, + DMACH_UART4_TX, + DMACH_SLIMBUS0_RX, + DMACH_SLIMBUS0_TX, + DMACH_SLIMBUS2_RX, + DMACH_SLIMBUS2_TX, + DMACH_SLIMBUS4_RX, + DMACH_SLIMBUS4_TX, + DMACH_AC97_MICIN, + DMACH_AC97_PCMIN, + DMACH_AC97_PCMOUT, + DMACH_MIPI_HSI4, + DMACH_MIPI_HSI5, }; +struct dma_pl330_platdata exynos4_pdma0_pdata; + static AMBA_AHB_DEVICE(exynos4_pdma0, "dma-pl330.0", 0x00041330, EXYNOS4_PA_PDMA0, {IRQ_PDMA0}, &exynos4_pdma0_pdata); -static u8 pdma1_peri[] = { +static u8 exynos4210_pdma1_peri[] = { DMACH_PCM0_RX, DMACH_PCM0_TX, DMACH_PCM1_RX, @@ -105,19 +138,84 @@ static u8 pdma1_peri[] = { DMACH_SLIMBUS5_TX, }; -static struct dma_pl330_platdata exynos4_pdma1_pdata = { - .nr_valid_peri = ARRAY_SIZE(pdma1_peri), - .peri_id = pdma1_peri, +static u8 exynos4212_pdma1_peri[] = { + DMACH_PCM0_RX, + DMACH_PCM0_TX, + DMACH_PCM1_RX, + DMACH_PCM1_TX, + DMACH_MIPI_HSI2, + DMACH_MIPI_HSI3, + DMACH_SPI1_RX, + DMACH_SPI1_TX, + DMACH_I2S0S_TX, + DMACH_I2S0_RX, + DMACH_I2S0_TX, + DMACH_I2S1_RX, + DMACH_I2S1_TX, + DMACH_UART0_RX, + DMACH_UART0_TX, + DMACH_UART1_RX, + DMACH_UART1_TX, + DMACH_UART3_RX, + DMACH_UART3_TX, + DMACH_SLIMBUS1_RX, + DMACH_SLIMBUS1_TX, + DMACH_SLIMBUS3_RX, + DMACH_SLIMBUS3_TX, + DMACH_SLIMBUS5_RX, + DMACH_SLIMBUS5_TX, + DMACH_SLIMBUS0AUX_RX, + DMACH_SLIMBUS0AUX_TX, + DMACH_SPDIF, + DMACH_MIPI_HSI6, + DMACH_MIPI_HSI7, }; +static struct dma_pl330_platdata exynos4_pdma1_pdata; + static AMBA_AHB_DEVICE(exynos4_pdma1, "dma-pl330.1", 0x00041330, EXYNOS4_PA_PDMA1, {IRQ_PDMA1}, &exynos4_pdma1_pdata); +static u8 mdma_peri[] = { + DMACH_MTOM_0, + DMACH_MTOM_1, + DMACH_MTOM_2, + DMACH_MTOM_3, + DMACH_MTOM_4, + DMACH_MTOM_5, + DMACH_MTOM_6, + DMACH_MTOM_7, +}; + +static struct dma_pl330_platdata exynos4_mdma1_pdata = { + .nr_valid_peri = ARRAY_SIZE(mdma_peri), + .peri_id = mdma_peri, +}; + +static AMBA_AHB_DEVICE(exynos4_mdma1, "dma-pl330.2", 0x00041330, + EXYNOS4_PA_MDMA1, {IRQ_MDMA1}, &exynos4_mdma1_pdata); + static int __init exynos4_dma_init(void) { if (of_have_populated_dt()) return 0; + if (soc_is_exynos4210()) { + exynos4_pdma0_pdata.nr_valid_peri = + ARRAY_SIZE(exynos4210_pdma0_peri); + exynos4_pdma0_pdata.peri_id = exynos4210_pdma0_peri; + exynos4_pdma1_pdata.nr_valid_peri = + ARRAY_SIZE(exynos4210_pdma1_peri); + exynos4_pdma1_pdata.peri_id = exynos4210_pdma1_peri; + } else if (soc_is_exynos4212() || soc_is_exynos4412()) { + exynos4_pdma0_pdata.nr_valid_peri = + ARRAY_SIZE(exynos4212_pdma0_peri); + exynos4_pdma0_pdata.peri_id = exynos4212_pdma0_peri; + exynos4_pdma1_pdata.nr_valid_peri = + ARRAY_SIZE(exynos4212_pdma1_peri); + exynos4_pdma1_pdata.peri_id = exynos4212_pdma1_peri; + } + dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask); dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask); amba_device_register(&exynos4_pdma0_device, &iomem_resource); @@ -126,6 +224,9 @@ static int __init exynos4_dma_init(void) dma_cap_set(DMA_CYCLIC, exynos4_pdma1_pdata.cap_mask); amba_device_register(&exynos4_pdma1_device, &iomem_resource); + dma_cap_set(DMA_MEMCPY, exynos4_mdma1_pdata.cap_mask); + amba_device_register(&exynos4_mdma1_device, &iomem_resource); + return 0; } arch_initcall(exynos4_dma_init); diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h index f77bce0..1d401c95 100644 --- a/arch/arm/mach-exynos/include/mach/irqs.h +++ b/arch/arm/mach-exynos/include/mach/irqs.h @@ -43,6 +43,8 @@ #define IRQ_EINT15 IRQ_SPI(31) #define IRQ_EINT16_31 IRQ_SPI(32) +#define IRQ_MDMA0 IRQ_SPI(33) +#define IRQ_MDMA1 IRQ_SPI(34) #define IRQ_PDMA0 IRQ_SPI(35) #define IRQ_PDMA1 IRQ_SPI(36) #define IRQ_TIMER0_VIC IRQ_SPI(37) diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index a8cd65f..609127d 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -72,7 +72,8 @@ #define EXYNOS4_PA_TWD 0x10500600 #define EXYNOS4_PA_L2CC 0x10502000 -#define EXYNOS4_PA_MDMA 0x10810000 +#define EXYNOS4_PA_MDMA0 0x10810000 +#define EXYNOS4_PA_MDMA1 0x12840000 #define EXYNOS4_PA_PDMA0 0x12680000 #define EXYNOS4_PA_PDMA1 0x12690000 diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index 191f5c6..82ea6fc 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -117,7 +117,7 @@ static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = { }; static struct regulator_consumer_supply emmc_supplies[] = { - REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"), + REGULATOR_SUPPLY("vmmc", "exynos4-sdhci.0"), REGULATOR_SUPPLY("vmmc", "dw_mmc"), }; @@ -418,7 +418,7 @@ static struct regulator_consumer_supply __initdata max8997_ldo12_[] = { REGULATOR_SUPPLY("vddio", "6-003c"), /* HDC802 */ }; static struct regulator_consumer_supply __initdata max8997_ldo13_[] = { - REGULATOR_SUPPLY("vmmc", "s3c-sdhci.2"), /* TFLASH */ + REGULATOR_SUPPLY("vmmc", "exynos4-sdhci.2"), /* TFLASH */ }; static struct regulator_consumer_supply __initdata max8997_ldo14_[] = { REGULATOR_SUPPLY("inmotor", "max8997-haptic"), diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c index 0b944eb..28658da 100644 --- a/arch/arm/mach-exynos/mach-universal_c210.c +++ b/arch/arm/mach-exynos/mach-universal_c210.c @@ -752,7 +752,7 @@ static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = { }; static struct regulator_consumer_supply mmc0_supplies[] = { - REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"), + REGULATOR_SUPPLY("vmmc", "exynos4-sdhci.0"), }; static struct regulator_init_data mmc0_fixed_voltage_init_data = { diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 37a5d71..feeebde 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -298,6 +298,7 @@ config MACH_MX27_3DS select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_KEYPAD select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_MX2_CAMERA select IMX_HAVE_PLATFORM_MXC_EHCI select IMX_HAVE_PLATFORM_MXC_MMC select IMX_HAVE_PLATFORM_SPI_IMX diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c index 2d88f8b..111c328 100644 --- a/arch/arm/mach-imx/clock-imx6q.c +++ b/arch/arm/mach-imx/clock-imx6q.c @@ -329,6 +329,12 @@ #define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26) #define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27) +#define BP_CCOSR_CKO1_EN 7 +#define BP_CCOSR_CKO1_PODF 4 +#define BM_CCOSR_CKO1_PODF (0x7 << 4) +#define BP_CCOSR_CKO1_SEL 0 +#define BM_CCOSR_CKO1_SEL (0xf << 0) + #define FREQ_480M 480000000 #define FREQ_528M 528000000 #define FREQ_594M 594000000 @@ -393,6 +399,7 @@ static struct clk ipu1_di1_clk; static struct clk ipu2_di0_clk; static struct clk ipu2_di1_clk; static struct clk enfc_clk; +static struct clk cko1_clk; static struct clk dummy_clk = {}; static unsigned long external_high_reference; @@ -938,6 +945,24 @@ static void _clk_disable(struct clk *clk) writel_relaxed(reg, clk->enable_reg); } +static int _clk_enable_1b(struct clk *clk) +{ + u32 reg; + reg = readl_relaxed(clk->enable_reg); + reg |= 0x1 << clk->enable_shift; + writel_relaxed(reg, clk->enable_reg); + + return 0; +} + +static void _clk_disable_1b(struct clk *clk) +{ + u32 reg; + reg = readl_relaxed(clk->enable_reg); + reg &= ~(0x1 << clk->enable_shift); + writel_relaxed(reg, clk->enable_reg); +} + struct divider { struct clk *clk; void __iomem *reg; @@ -983,6 +1008,7 @@ DEF_CLK_DIV1(ipu2_di0_pre_div, &ipu2_di0_pre_clk, CSCDR2, IPU2_DI0_PRE); DEF_CLK_DIV1(ipu2_di1_pre_div, &ipu2_di1_pre_clk, CSCDR2, IPU2_DI1_PRE); DEF_CLK_DIV1(ipu1_div, &ipu1_clk, CSCDR3, IPU1_HSP); DEF_CLK_DIV1(ipu2_div, &ipu2_clk, CSCDR3, IPU2_HSP); +DEF_CLK_DIV1(cko1_div, &cko1_clk, CCOSR, CKO1); #define DEF_CLK_DIV2(d, c, r, b) \ static struct divider d = { \ @@ -1038,6 +1064,7 @@ static struct divider *dividers[] = { &enfc_div, &spdif_div, &asrc_serial_div, + &cko1_div, }; static unsigned long ldb_di_clk_get_rate(struct clk *clk) @@ -1625,6 +1652,32 @@ DEF_IPU_DI_MUX(CSCDR2, 2, 1); DEF_IPU_MUX(1); DEF_IPU_MUX(2); +static struct multiplexer cko1_mux = { + .clk = &cko1_clk, + .reg = CCOSR, + .bp = BP_CCOSR_CKO1_SEL, + .bm = BM_CCOSR_CKO1_SEL, + .parents = { + &pll3_usb_otg, + &pll2_bus, + &pll1_sys, + &pll5_video, + &dummy_clk, + &axi_clk, + &enfc_clk, + &ipu1_di0_clk, + &ipu1_di1_clk, + &ipu2_di0_clk, + &ipu2_di1_clk, + &ahb_clk, + &ipg_clk, + &ipg_perclk, + &ckil_clk, + &pll4_audio, + NULL + }, +}; + static struct multiplexer *multiplexers[] = { &axi_mux, &periph_mux, @@ -1667,6 +1720,7 @@ static struct multiplexer *multiplexers[] = { &ipu2_di1_mux, &ipu1_mux, &ipu2_mux, + &cko1_mux, }; static int _clk_set_parent(struct clk *clk, struct clk *parent) @@ -1690,7 +1744,7 @@ static int _clk_set_parent(struct clk *clk, struct clk *parent) break; i++; } - if (!m->parents[i]) + if (!m->parents[i] || m->parents[i] == &dummy_clk) return -EINVAL; val = readl_relaxed(m->reg); @@ -1745,6 +1799,20 @@ DEF_NG_CLK(asrc_serial_clk, &pll3_usb_otg); .secondary = s, \ } +#define DEF_CLK_1B(name, er, es, p, s) \ + static struct clk name = { \ + .enable_reg = er, \ + .enable_shift = es, \ + .enable = _clk_enable_1b, \ + .disable = _clk_disable_1b, \ + .get_rate = _clk_get_rate, \ + .set_rate = _clk_set_rate, \ + .round_rate = _clk_round_rate, \ + .set_parent = _clk_set_parent, \ + .parent = p, \ + .secondary = s, \ + } + DEF_CLK(aips_tz1_clk, CCGR0, CG0, &ahb_clk, NULL); DEF_CLK(aips_tz2_clk, CCGR0, CG1, &ahb_clk, NULL); DEF_CLK(apbh_dma_clk, CCGR0, CG2, &ahb_clk, NULL); @@ -1811,6 +1879,7 @@ DEF_CLK(usdhc4_clk, CCGR6, CG4, &pll2_pfd_400m, NULL); DEF_CLK(emi_slow_clk, CCGR6, CG5, &axi_clk, NULL); DEF_CLK(vdo_axi_clk, CCGR6, CG6, &axi_clk, NULL); DEF_CLK(vpu_clk, CCGR6, CG7, &axi_clk, NULL); +DEF_CLK_1B(cko1_clk, CCOSR, BP_CCOSR_CKO1_EN, &pll2_bus, NULL); static int pcie_clk_enable(struct clk *clk) { @@ -1922,6 +1991,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK(NULL, "gpmi_io_clk", gpmi_io_clk), _REGISTER_CLOCK(NULL, "usboh3_clk", usboh3_clk), _REGISTER_CLOCK(NULL, "sata_clk", sata_clk), + _REGISTER_CLOCK(NULL, "cko1_clk", cko1_clk), }; int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) @@ -2029,6 +2099,8 @@ int __init mx6q_clocks_init(void) clk_set_rate(&usdhc3_clk, 49500000); clk_set_rate(&usdhc4_clk, 49500000); + clk_set_parent(&cko1_clk, &ahb_clk); + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); base = of_iomap(np, 0); WARN_ON(!base); diff --git a/arch/arm/mach-imx/lluart.c b/arch/arm/mach-imx/lluart.c index d4ab6f2..0213f8d 100644 --- a/arch/arm/mach-imx/lluart.c +++ b/arch/arm/mach-imx/lluart.c @@ -17,7 +17,7 @@ #include <mach/hardware.h> static struct map_desc imx_lluart_desc = { -#ifdef CONFIG_DEBUG_IMX6Q_UART +#ifdef CONFIG_DEBUG_IMX6Q_UART4 .virtual = MX6Q_IO_P2V(MX6Q_UART4_BASE_ADDR), .pfn = __phys_to_pfn(MX6Q_UART4_BASE_ADDR), .length = MX6Q_UART4_SIZE, diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c index 8d9f955..e432d4a 100644 --- a/arch/arm/mach-imx/mach-mx21ads.c +++ b/arch/arm/mach-imx/mach-mx21ads.c @@ -37,8 +37,8 @@ #define MX21ADS_REG_ADDR(offset) (void __force __iomem *) \ (MX21ADS_MMIO_BASE_ADDR + (offset)) +#define MX21ADS_CS8900A_MMIO_SIZE 0x200000 #define MX21ADS_CS8900A_IRQ IRQ_GPIOE(11) -#define MX21ADS_CS8900A_IOBASE_REG MX21ADS_REG_ADDR(0x000000) #define MX21ADS_ST16C255_IOBASE_REG MX21ADS_REG_ADDR(0x200000) #define MX21ADS_VERSION_REG MX21ADS_REG_ADDR(0x400000) #define MX21ADS_IO_REG MX21ADS_REG_ADDR(0x800000) @@ -159,6 +159,18 @@ static struct platform_device mx21ads_nor_mtd_device = { .resource = &mx21ads_flash_resource, }; +static const struct resource mx21ads_cs8900_resources[] __initconst = { + DEFINE_RES_MEM(MX21_CS1_BASE_ADDR, MX21ADS_CS8900A_MMIO_SIZE), + DEFINE_RES_IRQ(MX21ADS_CS8900A_IRQ), +}; + +static const struct platform_device_info mx21ads_cs8900_devinfo __initconst = { + .name = "cs89x0", + .id = 0, + .res = mx21ads_cs8900_resources, + .num_res = ARRAY_SIZE(mx21ads_cs8900_resources), +}; + static const struct imxuart_platform_data uart_pdata_rts __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; @@ -292,6 +304,8 @@ static void __init mx21ads_board_init(void) imx21_add_mxc_nand(&mx21ads_nand_board_info); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + platform_device_register_full( + (struct platform_device_info *)&mx21ads_cs8900_devinfo); } static void __init mx21ads_timer_init(void) diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c index 18f3581..c6d385c 100644 --- a/arch/arm/mach-imx/mach-mx27_3ds.c +++ b/arch/arm/mach-imx/mach-mx27_3ds.c @@ -31,6 +31,8 @@ #include <linux/regulator/machine.h> #include <linux/spi/l4f00242t03.h> +#include <media/soc_camera.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> @@ -52,6 +54,8 @@ #define SD1_CD IMX_GPIO_NR(2, 26) #define LCD_RESET IMX_GPIO_NR(1, 3) #define LCD_ENABLE IMX_GPIO_NR(1, 31) +#define CSI_PWRDWN IMX_GPIO_NR(4, 19) +#define CSI_RESET IMX_GPIO_NR(3, 6) static const int mx27pdk_pins[] __initconst = { /* UART1 */ @@ -141,6 +145,26 @@ static const int mx27pdk_pins[] __initconst = { PA30_PF_CONTRAST, LCD_ENABLE | GPIO_GPIO | GPIO_OUT, LCD_RESET | GPIO_GPIO | GPIO_OUT, + /* CSI */ + PB10_PF_CSI_D0, + PB11_PF_CSI_D1, + PB12_PF_CSI_D2, + PB13_PF_CSI_D3, + PB14_PF_CSI_D4, + PB15_PF_CSI_MCLK, + PB16_PF_CSI_PIXCLK, + PB17_PF_CSI_D5, + PB18_PF_CSI_D6, + PB19_PF_CSI_D7, + PB20_PF_CSI_VSYNC, + PB21_PF_CSI_HSYNC, + CSI_PWRDWN | GPIO_GPIO | GPIO_OUT, + CSI_RESET | GPIO_GPIO | GPIO_OUT, +}; + +static struct gpio mx27_3ds_camera_gpios[] = { + { CSI_PWRDWN, GPIOF_OUT_INIT_HIGH, "camera-power" }, + { CSI_RESET, GPIOF_OUT_INIT_HIGH, "camera-reset" }, }; static const struct imxuart_platform_data uart_pdata __initconst = { @@ -242,6 +266,7 @@ static struct regulator_init_data gpo_init = { static struct regulator_consumer_supply vmmc1_consumers[] = { REGULATOR_SUPPLY("vcore", "spi0.0"), + REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"), }; static struct regulator_init_data vmmc1_init = { @@ -270,6 +295,22 @@ static struct regulator_init_data vgen_init = { .consumer_supplies = vgen_consumers, }; +static struct regulator_consumer_supply vvib_consumers[] = { + REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"), +}; + +static struct regulator_init_data vvib_init = { + .constraints = { + .min_uV = 1300000, + .max_uV = 1300000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(vvib_consumers), + .consumer_supplies = vvib_consumers, +}; + static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = { { .id = MC13783_REG_VMMC1, @@ -283,6 +324,9 @@ static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = { }, { .id = MC13783_REG_GPO3, /* Turn on 3.3V */ .init_data = &gpo_init, + }, { + .id = MC13783_REG_VVIB, /* Power OV2640 */ + .init_data = &vvib_init, }, }; @@ -311,6 +355,51 @@ static const struct spi_imx_master spi2_pdata __initconst = { .num_chipselect = ARRAY_SIZE(spi2_chipselect), }; +static int mx27_3ds_camera_power(struct device *dev, int on) +{ + /* enable or disable the camera */ + pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE"); + gpio_set_value(CSI_PWRDWN, on ? 0 : 1); + + if (!on) + goto out; + + /* If enabled, give a reset impulse */ + gpio_set_value(CSI_RESET, 0); + msleep(20); + gpio_set_value(CSI_RESET, 1); + msleep(100); + +out: + return 0; +} + +static struct i2c_board_info mx27_3ds_i2c_camera = { + I2C_BOARD_INFO("ov2640", 0x30), +}; + +static struct regulator_bulk_data mx27_3ds_camera_regs[] = { + { .supply = "cmos_vcore" }, + { .supply = "cmos_2v8" }, +}; + +static struct soc_camera_link iclink_ov2640 = { + .bus_id = 0, + .board_info = &mx27_3ds_i2c_camera, + .i2c_adapter_id = 0, + .power = mx27_3ds_camera_power, + .regulators = mx27_3ds_camera_regs, + .num_regulators = ARRAY_SIZE(mx27_3ds_camera_regs), +}; + +static struct platform_device mx27_3ds_ov2640 = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &iclink_ov2640, + }, +}; + static struct imx_fb_videomode mx27_3ds_modes[] = { { /* 480x640 @ 60 Hz */ .mode = { @@ -367,12 +456,21 @@ static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { }, }; +static struct platform_device *devices[] __initdata = { + &mx27_3ds_ov2640, +}; + +static const struct mx2_camera_platform_data mx27_3ds_cam_pdata __initconst = { + .clk = 26000000, +}; + static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = { .bitrate = 100000, }; static void __init mx27pdk_init(void) { + int ret; imx27_soc_init(); mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins), @@ -404,7 +502,17 @@ static void __init mx27pdk_init(void) if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT)) pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n"); imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data); + platform_add_devices(devices, ARRAY_SIZE(devices)); imx27_add_imx_fb(&mx27_3ds_fb_data); + + ret = gpio_request_array(mx27_3ds_camera_gpios, + ARRAY_SIZE(mx27_3ds_camera_gpios)); + if (ret) { + pr_err("Failed to request camera gpios"); + iclink_ov2640.power = NULL; + } + + imx27_add_mx2_camera(&mx27_3ds_cam_pdata); } static void __init mx27pdk_timer_init(void) diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c index 4917aab..4518e54 100644 --- a/arch/arm/mach-imx/mach-mx31ads.c +++ b/arch/arm/mach-imx/mach-mx31ads.c @@ -28,7 +28,6 @@ #include <asm/memory.h> #include <asm/mach/map.h> #include <mach/common.h> -#include <mach/board-mx31ads.h> #include <mach/iomux-mx3.h> #ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 @@ -39,6 +38,9 @@ #include "devices-imx31.h" +/* Base address of PBC controller */ +#define PBC_BASE_ADDRESS MX31_CS4_BASE_ADDR_VIRT + /* PBC Board interrupt status register */ #define PBC_INTSTATUS 0x000016 @@ -62,6 +64,7 @@ #define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS) #define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_4) +#define MXC_EXP_IO_BASE MXC_BOARD_IRQ_START #define MXC_IRQ_TO_EXPIO(irq) ((irq) - MXC_EXP_IO_BASE) #define EXPIO_INT_XUART_INTA (MXC_EXP_IO_BASE + 10) @@ -69,6 +72,10 @@ #define MXC_MAX_EXP_IO_LINES 16 +/* CS8900 */ +#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8) +#define CS4_CS8900_MMIO_START 0x20000 + /* * The serial port definition structure. */ @@ -101,11 +108,29 @@ static struct platform_device serial_device = { }, }; +static const struct resource mx31ads_cs8900_resources[] __initconst = { + DEFINE_RES_MEM(MX31_CS4_BASE_ADDR + CS4_CS8900_MMIO_START, SZ_64K), + DEFINE_RES_IRQ(EXPIO_INT_ENET_INT), +}; + +static const struct platform_device_info mx31ads_cs8900_devinfo __initconst = { + .name = "cs89x0", + .id = 0, + .res = mx31ads_cs8900_resources, + .num_res = ARRAY_SIZE(mx31ads_cs8900_resources), +}; + static int __init mxc_init_extuart(void) { return platform_device_register(&serial_device); } +static void __init mxc_init_ext_ethernet(void) +{ + platform_device_register_full( + (struct platform_device_info *)&mx31ads_cs8900_devinfo); +} + static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; @@ -492,12 +517,15 @@ static void __init mxc_init_audio(void) mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi"); } -/* static mappings */ +/* + * Static mappings, starting from the CS4 start address up to the start address + * of the CS8900. + */ static struct map_desc mx31ads_io_desc[] __initdata = { { .virtual = MX31_CS4_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR), - .length = MX31_CS4_SIZE / 2, + .length = CS4_CS8900_MMIO_START, .type = MT_DEVICE }, }; @@ -522,6 +550,7 @@ static void __init mx31ads_init(void) mxc_init_imx_uart(); mxc_init_i2c(); mxc_init_audio(); + mxc_init_ext_ethernet(); } static void __init mx31ads_timer_init(void) diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c index c0511fb..f17a15f 100644 --- a/arch/arm/mach-imx/mach-mx31moboard.c +++ b/arch/arm/mach-imx/mach-mx31moboard.c @@ -507,7 +507,7 @@ static void mx31moboard_poweroff(void) struct clk *clk = clk_get_sys("imx2-wdt.0", NULL); if (!IS_ERR(clk)) - clk_enable(clk); + clk_prepare_enable(clk); mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST); diff --git a/arch/arm/mach-imx/pm-imx5.c b/arch/arm/mach-imx/pm-imx5.c index 6dc0934..e26a9cb 100644 --- a/arch/arm/mach-imx/pm-imx5.c +++ b/arch/arm/mach-imx/pm-imx5.c @@ -89,7 +89,7 @@ void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode) static int mx5_suspend_prepare(void) { - return clk_enable(gpc_dvfs_clk); + return clk_prepare_enable(gpc_dvfs_clk); } static int mx5_suspend_enter(suspend_state_t state) @@ -119,7 +119,7 @@ static int mx5_suspend_enter(suspend_state_t state) static void mx5_suspend_finish(void) { - clk_disable(gpc_dvfs_clk); + clk_disable_unprepare(gpc_dvfs_clk); } static int mx5_pm_valid(suspend_state_t state) diff --git a/arch/arm/mach-lpc32xx/clock.c b/arch/arm/mach-lpc32xx/clock.c index 0e01bf4..f55c772 100644 --- a/arch/arm/mach-lpc32xx/clock.c +++ b/arch/arm/mach-lpc32xx/clock.c @@ -721,6 +721,41 @@ static struct clk clk_tsc = { .get_rate = local_return_parent_rate, }; +static int adc_onoff_enable(struct clk *clk, int enable) +{ + u32 tmp; + u32 divider; + + /* Use PERIPH_CLOCK */ + tmp = __raw_readl(LPC32XX_CLKPWR_ADC_CLK_CTRL_1); + tmp |= LPC32XX_CLKPWR_ADCCTRL1_PCLK_SEL; + /* + * Set clock divider so that we have equal to or less than + * 4.5MHz clock at ADC + */ + divider = clk->get_rate(clk) / 4500000 + 1; + tmp |= divider; + __raw_writel(tmp, LPC32XX_CLKPWR_ADC_CLK_CTRL_1); + + /* synchronize rate of this clock w/ actual HW setting */ + clk->rate = clk->get_rate(clk->parent) / divider; + + if (enable == 0) + __raw_writel(0, clk->enable_reg); + else + __raw_writel(clk->enable_mask, clk->enable_reg); + + return 0; +} + +static struct clk clk_adc = { + .parent = &clk_pclk, + .enable = adc_onoff_enable, + .enable_reg = LPC32XX_CLKPWR_ADC_CLK_CTRL, + .enable_mask = LPC32XX_CLKPWR_ADC32CLKCTRL_CLK_EN, + .get_rate = local_return_parent_rate, +}; + static int mmc_onoff_enable(struct clk *clk, int enable) { u32 tmp; @@ -1055,6 +1090,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("dev:ssp1", NULL, clk_ssp1) _REGISTER_CLOCK("lpc32xx_keys.0", NULL, clk_kscan) _REGISTER_CLOCK("lpc32xx-nand.0", "nand_ck", clk_nand) + _REGISTER_CLOCK("lpc32xx-adc", NULL, clk_adc) _REGISTER_CLOCK(NULL, "i2s0_ck", clk_i2s0) _REGISTER_CLOCK(NULL, "i2s1_ck", clk_i2s1) _REGISTER_CLOCK("ts-lpc32xx", NULL, clk_tsc) diff --git a/arch/arm/mach-lpc32xx/common.c b/arch/arm/mach-lpc32xx/common.c index 369b152..6c76bb3 100644 --- a/arch/arm/mach-lpc32xx/common.c +++ b/arch/arm/mach-lpc32xx/common.c @@ -138,6 +138,28 @@ struct platform_device lpc32xx_rtc_device = { }; /* + * ADC support + */ +static struct resource adc_resources[] = { + { + .start = LPC32XX_ADC_BASE, + .end = LPC32XX_ADC_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_LPC32XX_TS_IRQ, + .end = IRQ_LPC32XX_TS_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device lpc32xx_adc_device = { + .name = "lpc32xx-adc", + .id = -1, + .num_resources = ARRAY_SIZE(adc_resources), + .resource = adc_resources, +}; + +/* * Returns the unique ID for the device */ void lpc32xx_get_uid(u32 devid[4]) diff --git a/arch/arm/mach-lpc32xx/common.h b/arch/arm/mach-lpc32xx/common.h index 75640bfb..68f2e46 100644 --- a/arch/arm/mach-lpc32xx/common.h +++ b/arch/arm/mach-lpc32xx/common.h @@ -29,6 +29,7 @@ extern struct platform_device lpc32xx_i2c0_device; extern struct platform_device lpc32xx_i2c1_device; extern struct platform_device lpc32xx_i2c2_device; extern struct platform_device lpc32xx_tsc_device; +extern struct platform_device lpc32xx_adc_device; extern struct platform_device lpc32xx_rtc_device; /* diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c index 8571d62..0d79a3f 100644 --- a/arch/arm/mach-lpc32xx/phy3250.c +++ b/arch/arm/mach-lpc32xx/phy3250.c @@ -254,6 +254,7 @@ static struct platform_device *phy3250_devs[] __initdata = { &lpc32xx_i2c2_device, &lpc32xx_watchdog_device, &lpc32xx_gpio_led_device, + &lpc32xx_adc_device, }; static struct amba_device *amba_devs[] __initdata = { diff --git a/arch/arm/mach-mmp/include/mach/pxa910.h b/arch/arm/mach-mmp/include/mach/pxa910.h index 4de13ab..e2e1f1e 100644 --- a/arch/arm/mach-mmp/include/mach/pxa910.h +++ b/arch/arm/mach-mmp/include/mach/pxa910.h @@ -22,6 +22,7 @@ extern struct pxa_device_desc pxa910_device_pwm4; extern struct pxa_device_desc pxa910_device_nand; extern struct platform_device pxa910_device_gpio; +extern struct platform_device pxa910_device_rtc; static inline int pxa910_add_uart(int id) { diff --git a/arch/arm/mach-mmp/include/mach/regs-apbc.h b/arch/arm/mach-mmp/include/mach/regs-apbc.h index 1a96585..8a37fb0 100644 --- a/arch/arm/mach-mmp/include/mach/regs-apbc.h +++ b/arch/arm/mach-mmp/include/mach/regs-apbc.h @@ -57,6 +57,7 @@ #define APBC_PXA910_SSP1 APBC_REG(0x01c) #define APBC_PXA910_SSP2 APBC_REG(0x020) #define APBC_PXA910_IPC APBC_REG(0x024) +#define APBC_PXA910_RTC APBC_REG(0x028) #define APBC_PXA910_TWSI0 APBC_REG(0x02c) #define APBC_PXA910_KPC APBC_REG(0x030) #define APBC_PXA910_TIMERS APBC_REG(0x034) diff --git a/arch/arm/mach-mmp/include/mach/regs-rtc.h b/arch/arm/mach-mmp/include/mach/regs-rtc.h new file mode 100644 index 0000000..5bff886 --- /dev/null +++ b/arch/arm/mach-mmp/include/mach/regs-rtc.h @@ -0,0 +1,23 @@ +#ifndef __ASM_MACH_REGS_RTC_H +#define __ASM_MACH_REGS_RTC_H + +#include <mach/addr-map.h> + +#define RTC_VIRT_BASE (APB_VIRT_BASE + 0x10000) +#define RTC_REG(x) (*((volatile u32 __iomem *)(RTC_VIRT_BASE + (x)))) + +/* + * Real Time Clock + */ + +#define RCNR RTC_REG(0x00) /* RTC Count Register */ +#define RTAR RTC_REG(0x04) /* RTC Alarm Register */ +#define RTSR RTC_REG(0x08) /* RTC Status Register */ +#define RTTR RTC_REG(0x0C) /* RTC Timer Trim Register */ + +#define RTSR_HZE (1 << 3) /* HZ interrupt enable */ +#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */ +#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */ +#define RTSR_AL (1 << 0) /* RTC alarm detected */ + +#endif /* __ASM_MACH_REGS_RTC_H */ diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c index 0c87e69..43f8bcc 100644 --- a/arch/arm/mach-mmp/pxa910.c +++ b/arch/arm/mach-mmp/pxa910.c @@ -92,6 +92,7 @@ static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000); static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000); static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000); static APBC_CLK(gpio, PXA910_GPIO, 0, 13000000); +static APBC_CLK(rtc, PXA910_RTC, 8, 32768); static APMU_CLK(nand, NAND, 0x19b, 156000000); static APMU_CLK(u2o, USB, 0x1b, 480000000); @@ -109,6 +110,7 @@ static struct clk_lookup pxa910_clkregs[] = { INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL), INIT_CLKREG(&clk_u2o, "pxa-u2o", "U2OCLK"), + INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL), }; static int __init pxa910_init(void) @@ -184,3 +186,28 @@ struct platform_device pxa910_device_gpio = { .num_resources = ARRAY_SIZE(pxa910_resource_gpio), .resource = pxa910_resource_gpio, }; + +static struct resource pxa910_resource_rtc[] = { + { + .start = 0xd4010000, + .end = 0xd401003f, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PXA910_RTC_INT, + .end = IRQ_PXA910_RTC_INT, + .name = "rtc 1Hz", + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_PXA910_RTC_ALARM, + .end = IRQ_PXA910_RTC_ALARM, + .name = "rtc alarm", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa910_device_rtc = { + .name = "sa1100-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(pxa910_resource_rtc), + .resource = pxa910_resource_rtc, +}; diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c index 5ac5d58..e72c709d 100644 --- a/arch/arm/mach-mmp/ttc_dkb.c +++ b/arch/arm/mach-mmp/ttc_dkb.c @@ -124,6 +124,7 @@ static struct platform_device ttc_dkb_device_onenand = { static struct platform_device *ttc_dkb_devices[] = { &pxa910_device_gpio, + &pxa910_device_rtc, &ttc_dkb_device_onenand, }; diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index 293958b..e3ac52c 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -439,6 +439,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk) _REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk) + _REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk) }; static int clk_misc_init(void) diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 22ad12f..cea29c9 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -617,6 +617,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("duart", NULL, uart_clk) _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk) _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk) + _REGISTER_CLOCK("imx28-gpmi-nand", NULL, gpmi_clk) _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk) _REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk) _REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk) diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h index 3fa651d..4d1329d 100644 --- a/arch/arm/mach-mxs/devices-mx23.h +++ b/arch/arm/mach-mxs/devices-mx23.h @@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst; #define mx23_add_auart0() mx23_add_auart(0) #define mx23_add_auart1() mx23_add_auart(1) +extern const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst; +#define mx23_add_gpmi_nand(pdata) \ + mxs_add_gpmi_nand(pdata, &mx23_gpmi_nand_data) + extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst; #define mx23_add_mxs_mmc(id, pdata) \ mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 4f50094..9dbeae1 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -34,6 +34,10 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst; #define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata) #define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata) +extern const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst; +#define mx28_add_gpmi_nand(pdata) \ + mxs_add_gpmi_nand(pdata, &mx28_gpmi_nand_data) + extern const struct mxs_mxs_i2c_data mx28_mxs_i2c_data[] __initconst; #define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id]) diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index 18b6bf5..b8913df 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN select HAVE_CAN_FLEXCAN if CAN bool +config MXS_HAVE_PLATFORM_GPMI_NAND + bool + config MXS_HAVE_PLATFORM_MXS_I2C bool diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index f52e3e5..c8f5c95 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o obj-y += platform-dma.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o +obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NAND) += platform-gpmi-nand.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nand.c b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c new file mode 100644 index 0000000..3e22df5 --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include <asm/sizes.h> +#include <mach/mx23.h> +#include <mach/mx28.h> +#include <mach/devices-common.h> +#include <linux/dma-mapping.h> + +#ifdef CONFIG_SOC_IMX23 +const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst = { + .devid = "imx23-gpmi-nand", + .res = { + /* GPMI */ + DEFINE_RES_MEM_NAMED(MX23_GPMI_BASE_ADDR, SZ_8K, + GPMI_NAND_GPMI_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_ATTENTION, + GPMI_NAND_GPMI_INTERRUPT_RES_NAME), + /* BCH */ + DEFINE_RES_MEM_NAMED(MX23_BCH_BASE_ADDR, SZ_8K, + GPMI_NAND_BCH_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX23_INT_BCH, + GPMI_NAND_BCH_INTERRUPT_RES_NAME), + /* DMA */ + DEFINE_RES_NAMED(MX23_DMA_GPMI0, + MX23_DMA_GPMI3 - MX23_DMA_GPMI0 + 1, + GPMI_NAND_DMA_CHANNELS_RES_NAME, + IORESOURCE_DMA), + DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_DMA, + GPMI_NAND_DMA_INTERRUPT_RES_NAME), + }, +}; +#endif + +#ifdef CONFIG_SOC_IMX28 +const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst = { + .devid = "imx28-gpmi-nand", + .res = { + /* GPMI */ + DEFINE_RES_MEM_NAMED(MX28_GPMI_BASE_ADDR, SZ_8K, + GPMI_NAND_GPMI_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI, + GPMI_NAND_GPMI_INTERRUPT_RES_NAME), + /* BCH */ + DEFINE_RES_MEM_NAMED(MX28_BCH_BASE_ADDR, SZ_8K, + GPMI_NAND_BCH_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX28_INT_BCH, + GPMI_NAND_BCH_INTERRUPT_RES_NAME), + /* DMA */ + DEFINE_RES_NAMED(MX28_DMA_GPMI0, + MX28_DMA_GPMI7 - MX28_DMA_GPMI0 + 1, + GPMI_NAND_DMA_CHANNELS_RES_NAME, + IORESOURCE_DMA), + DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI_DMA, + GPMI_NAND_DMA_INTERRUPT_RES_NAME), + }, +}; +#endif + +struct platform_device *__init +mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata, + const struct mxs_gpmi_nand_data *data) +{ + return mxs_add_platform_device_dmamask(data->devid, -1, + data->res, GPMI_NAND_RES_SIZE, + pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index dc369c1..f2e3839 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -66,6 +66,16 @@ struct platform_device *__init mxs_add_flexcan( const struct mxs_flexcan_data *data, const struct flexcan_platform_data *pdata); +/* gpmi-nand */ +#include <linux/mtd/gpmi-nand.h> +struct mxs_gpmi_nand_data { + const char *devid; + const struct resource res[GPMI_NAND_RES_SIZE]; +}; +struct platform_device *__init +mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata, + const struct mxs_gpmi_nand_data *data); + /* i2c */ struct mxs_mxs_i2c_data { int id; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 3c8dd92..34b9766d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -29,6 +29,7 @@ #include "omap_hwmod_common_data.h" +#include "smartreflex.h" #include "prm-regbits-34xx.h" #include "cm-regbits-34xx.h" #include "wd_timer.h" @@ -376,6 +377,16 @@ static struct omap_hwmod_ocp_if omap3_l4_core__i2c3 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +static struct omap_hwmod_irq_info omap3_smartreflex_mpu_irqs[] = { + { .irq = 18}, + { .irq = -1 } +}; + +static struct omap_hwmod_irq_info omap3_smartreflex_core_irqs[] = { + { .irq = 19}, + { .irq = -1 } +}; + /* L4 CORE -> SR1 interface */ static struct omap_hwmod_addr_space omap3_sr1_addr_space[] = { { @@ -2664,6 +2675,10 @@ static struct omap_hwmod_class omap36xx_smartreflex_hwmod_class = { }; /* SR1 */ +static struct omap_smartreflex_dev_attr sr1_dev_attr = { + .sensor_voltdm_name = "mpu_iva", +}; + static struct omap_hwmod_ocp_if *omap3_sr1_slaves[] = { &omap3_l4_core__sr1, }; @@ -2672,7 +2687,6 @@ static struct omap_hwmod omap34xx_sr1_hwmod = { .name = "sr1_hwmod", .class = &omap34xx_smartreflex_hwmod_class, .main_clk = "sr1_fck", - .vdd_name = "mpu_iva", .prcm = { .omap2 = { .prcm_reg_id = 1, @@ -2684,6 +2698,8 @@ static struct omap_hwmod omap34xx_sr1_hwmod = { }, .slaves = omap3_sr1_slaves, .slaves_cnt = ARRAY_SIZE(omap3_sr1_slaves), + .dev_attr = &sr1_dev_attr, + .mpu_irqs = omap3_smartreflex_mpu_irqs, .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; @@ -2691,7 +2707,6 @@ static struct omap_hwmod omap36xx_sr1_hwmod = { .name = "sr1_hwmod", .class = &omap36xx_smartreflex_hwmod_class, .main_clk = "sr1_fck", - .vdd_name = "mpu_iva", .prcm = { .omap2 = { .prcm_reg_id = 1, @@ -2703,9 +2718,15 @@ static struct omap_hwmod omap36xx_sr1_hwmod = { }, .slaves = omap3_sr1_slaves, .slaves_cnt = ARRAY_SIZE(omap3_sr1_slaves), + .dev_attr = &sr1_dev_attr, + .mpu_irqs = omap3_smartreflex_mpu_irqs, }; /* SR2 */ +static struct omap_smartreflex_dev_attr sr2_dev_attr = { + .sensor_voltdm_name = "core", +}; + static struct omap_hwmod_ocp_if *omap3_sr2_slaves[] = { &omap3_l4_core__sr2, }; @@ -2714,7 +2735,6 @@ static struct omap_hwmod omap34xx_sr2_hwmod = { .name = "sr2_hwmod", .class = &omap34xx_smartreflex_hwmod_class, .main_clk = "sr2_fck", - .vdd_name = "core", .prcm = { .omap2 = { .prcm_reg_id = 1, @@ -2726,6 +2746,8 @@ static struct omap_hwmod omap34xx_sr2_hwmod = { }, .slaves = omap3_sr2_slaves, .slaves_cnt = ARRAY_SIZE(omap3_sr2_slaves), + .dev_attr = &sr2_dev_attr, + .mpu_irqs = omap3_smartreflex_core_irqs, .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; @@ -2733,7 +2755,6 @@ static struct omap_hwmod omap36xx_sr2_hwmod = { .name = "sr2_hwmod", .class = &omap36xx_smartreflex_hwmod_class, .main_clk = "sr2_fck", - .vdd_name = "core", .prcm = { .omap2 = { .prcm_reg_id = 1, @@ -2745,6 +2766,8 @@ static struct omap_hwmod omap36xx_sr2_hwmod = { }, .slaves = omap3_sr2_slaves, .slaves_cnt = ARRAY_SIZE(omap3_sr2_slaves), + .dev_attr = &sr2_dev_attr, + .mpu_irqs = omap3_smartreflex_core_irqs, }; /* diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index acb561e..08daa5e 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -33,6 +33,7 @@ #include "omap_hwmod_common_data.h" +#include "smartreflex.h" #include "cm1_44xx.h" #include "cm2_44xx.h" #include "prm44xx.h" @@ -3962,6 +3963,10 @@ static struct omap_hwmod_class omap44xx_smartreflex_hwmod_class = { }; /* smartreflex_core */ +static struct omap_smartreflex_dev_attr smartreflex_core_dev_attr = { + .sensor_voltdm_name = "core", +}; + static struct omap_hwmod omap44xx_smartreflex_core_hwmod; static struct omap_hwmod_irq_info omap44xx_smartreflex_core_irqs[] = { { .irq = 19 + OMAP44XX_IRQ_GIC_START }, @@ -3998,7 +4003,6 @@ static struct omap_hwmod omap44xx_smartreflex_core_hwmod = { .mpu_irqs = omap44xx_smartreflex_core_irqs, .main_clk = "smartreflex_core_fck", - .vdd_name = "core", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_ALWON_SR_CORE_CLKCTRL_OFFSET, @@ -4008,9 +4012,14 @@ static struct omap_hwmod omap44xx_smartreflex_core_hwmod = { }, .slaves = omap44xx_smartreflex_core_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_smartreflex_core_slaves), + .dev_attr = &smartreflex_core_dev_attr, }; /* smartreflex_iva */ +static struct omap_smartreflex_dev_attr smartreflex_iva_dev_attr = { + .sensor_voltdm_name = "iva", +}; + static struct omap_hwmod omap44xx_smartreflex_iva_hwmod; static struct omap_hwmod_irq_info omap44xx_smartreflex_iva_irqs[] = { { .irq = 102 + OMAP44XX_IRQ_GIC_START }, @@ -4046,7 +4055,6 @@ static struct omap_hwmod omap44xx_smartreflex_iva_hwmod = { .clkdm_name = "l4_ao_clkdm", .mpu_irqs = omap44xx_smartreflex_iva_irqs, .main_clk = "smartreflex_iva_fck", - .vdd_name = "iva", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_ALWON_SR_IVA_CLKCTRL_OFFSET, @@ -4056,9 +4064,14 @@ static struct omap_hwmod omap44xx_smartreflex_iva_hwmod = { }, .slaves = omap44xx_smartreflex_iva_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_smartreflex_iva_slaves), + .dev_attr = &smartreflex_iva_dev_attr, }; /* smartreflex_mpu */ +static struct omap_smartreflex_dev_attr smartreflex_mpu_dev_attr = { + .sensor_voltdm_name = "mpu", +}; + static struct omap_hwmod omap44xx_smartreflex_mpu_hwmod; static struct omap_hwmod_irq_info omap44xx_smartreflex_mpu_irqs[] = { { .irq = 18 + OMAP44XX_IRQ_GIC_START }, @@ -4094,7 +4107,6 @@ static struct omap_hwmod omap44xx_smartreflex_mpu_hwmod = { .clkdm_name = "l4_ao_clkdm", .mpu_irqs = omap44xx_smartreflex_mpu_irqs, .main_clk = "smartreflex_mpu_fck", - .vdd_name = "mpu", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_ALWON_SR_MPU_CLKCTRL_OFFSET, @@ -4104,6 +4116,7 @@ static struct omap_hwmod omap44xx_smartreflex_mpu_hwmod = { }, .slaves = omap44xx_smartreflex_mpu_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_smartreflex_mpu_slaves), + .dev_attr = &smartreflex_mpu_dev_attr, }; /* diff --git a/arch/arm/mach-omap2/smartreflex-class3.c b/arch/arm/mach-omap2/smartreflex-class3.c index 53d9d0a..955566ee 100644 --- a/arch/arm/mach-omap2/smartreflex-class3.c +++ b/arch/arm/mach-omap2/smartreflex-class3.c @@ -29,6 +29,7 @@ static int sr_class3_enable(struct voltagedomain *voltdm) static int sr_class3_disable(struct voltagedomain *voltdm, int is_volt_reset) { + sr_disable_errgen(voltdm); omap_vp_disable(voltdm); sr_disable(voltdm); if (is_volt_reset) diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 47c77a1..008fbd7 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -36,6 +36,12 @@ #define SR_DISABLE_TIMEOUT 200 struct omap_sr { + struct list_head node; + struct platform_device *pdev; + struct omap_sr_nvalue_table *nvalue_table; + struct voltagedomain *voltdm; + struct dentry *dbg_dir; + unsigned int irq; int srid; int ip_type; int nvalue_count; @@ -49,13 +55,7 @@ struct omap_sr { u32 senp_avgweight; u32 senp_mod; u32 senn_mod; - unsigned int irq; void __iomem *base; - struct platform_device *pdev; - struct list_head node; - struct omap_sr_nvalue_table *nvalue_table; - struct voltagedomain *voltdm; - struct dentry *dbg_dir; }; /* sr_list contains all the instances of smartreflex module */ @@ -74,10 +74,6 @@ static inline void sr_modify_reg(struct omap_sr *sr, unsigned offset, u32 mask, u32 value) { u32 reg_val; - u32 errconfig_offs = 0, errconfig_mask = 0; - - reg_val = __raw_readl(sr->base + offset); - reg_val &= ~mask; /* * Smartreflex error config register is special as it contains @@ -88,16 +84,15 @@ static inline void sr_modify_reg(struct omap_sr *sr, unsigned offset, u32 mask, * if they are currently set, but does allow the caller to write * those bits. */ - if (sr->ip_type == SR_TYPE_V1) { - errconfig_offs = ERRCONFIG_V1; - errconfig_mask = ERRCONFIG_STATUS_V1_MASK; - } else if (sr->ip_type == SR_TYPE_V2) { - errconfig_offs = ERRCONFIG_V2; - errconfig_mask = ERRCONFIG_VPBOUNDINTST_V2; - } + if (sr->ip_type == SR_TYPE_V1 && offset == ERRCONFIG_V1) + mask |= ERRCONFIG_STATUS_V1_MASK; + else if (sr->ip_type == SR_TYPE_V2 && offset == ERRCONFIG_V2) + mask |= ERRCONFIG_VPBOUNDINTST_V2; + + reg_val = __raw_readl(sr->base + offset); + reg_val &= ~mask; - if (offset == errconfig_offs) - reg_val &= ~errconfig_mask; + value &= mask; reg_val |= value; @@ -128,21 +123,28 @@ static struct omap_sr *_sr_lookup(struct voltagedomain *voltdm) static irqreturn_t sr_interrupt(int irq, void *data) { - struct omap_sr *sr_info = (struct omap_sr *)data; + struct omap_sr *sr_info = data; u32 status = 0; - if (sr_info->ip_type == SR_TYPE_V1) { + switch (sr_info->ip_type) { + case SR_TYPE_V1: /* Read the status bits */ status = sr_read_reg(sr_info, ERRCONFIG_V1); /* Clear them by writing back */ sr_write_reg(sr_info, ERRCONFIG_V1, status); - } else if (sr_info->ip_type == SR_TYPE_V2) { + break; + case SR_TYPE_V2: /* Read the status bits */ status = sr_read_reg(sr_info, IRQSTATUS); /* Clear them by writing back */ sr_write_reg(sr_info, IRQSTATUS, status); + break; + default: + dev_err(&sr_info->pdev->dev, "UNKNOWN IP type %d\n", + sr_info->ip_type); + return IRQ_NONE; } if (sr_class->notify) @@ -166,6 +168,7 @@ static void sr_set_clk_length(struct omap_sr *sr) __func__); return; } + sys_clk_speed = clk_get_rate(sys_ck); clk_put(sys_ck); @@ -267,7 +270,7 @@ static int sr_late_init(struct omap_sr *sr_info) goto error; } ret = request_irq(sr_info->irq, sr_interrupt, - 0, name, (void *)sr_info); + 0, name, sr_info); if (ret) goto error; disable_irq(sr_info->irq); @@ -288,12 +291,15 @@ error: "not function as desired\n", __func__); kfree(name); kfree(sr_info); + return ret; } static void sr_v1_disable(struct omap_sr *sr) { int timeout = 0; + int errconf_val = ERRCONFIG_MCUACCUMINTST | ERRCONFIG_MCUVALIDINTST | + ERRCONFIG_MCUBOUNDINTST; /* Enable MCUDisableAcknowledge interrupt */ sr_modify_reg(sr, ERRCONFIG_V1, @@ -302,13 +308,13 @@ static void sr_v1_disable(struct omap_sr *sr) /* SRCONFIG - disable SR */ sr_modify_reg(sr, SRCONFIG, SRCONFIG_SRENABLE, 0x0); - /* Disable all other SR interrupts and clear the status */ + /* Disable all other SR interrupts and clear the status as needed */ + if (sr_read_reg(sr, ERRCONFIG_V1) & ERRCONFIG_VPBOUNDINTST_V1) + errconf_val |= ERRCONFIG_VPBOUNDINTST_V1; sr_modify_reg(sr, ERRCONFIG_V1, (ERRCONFIG_MCUACCUMINTEN | ERRCONFIG_MCUVALIDINTEN | ERRCONFIG_MCUBOUNDINTEN | ERRCONFIG_VPBOUNDINTEN_V1), - (ERRCONFIG_MCUACCUMINTST | ERRCONFIG_MCUVALIDINTST | - ERRCONFIG_MCUBOUNDINTST | - ERRCONFIG_VPBOUNDINTST_V1)); + errconf_val); /* * Wait for SR to be disabled. @@ -337,9 +343,17 @@ static void sr_v2_disable(struct omap_sr *sr) /* SRCONFIG - disable SR */ sr_modify_reg(sr, SRCONFIG, SRCONFIG_SRENABLE, 0x0); - /* Disable all other SR interrupts and clear the status */ - sr_modify_reg(sr, ERRCONFIG_V2, ERRCONFIG_VPBOUNDINTEN_V2, + /* + * Disable all other SR interrupts and clear the status + * write to status register ONLY on need basis - only if status + * is set. + */ + if (sr_read_reg(sr, ERRCONFIG_V2) & ERRCONFIG_VPBOUNDINTST_V2) + sr_modify_reg(sr, ERRCONFIG_V2, ERRCONFIG_VPBOUNDINTEN_V2, ERRCONFIG_VPBOUNDINTST_V2); + else + sr_modify_reg(sr, ERRCONFIG_V2, ERRCONFIG_VPBOUNDINTEN_V2, + 0x0); sr_write_reg(sr, IRQENABLE_CLR, (IRQENABLE_MCUACCUMINT | IRQENABLE_MCUVALIDINT | IRQENABLE_MCUBOUNDSINT)); @@ -398,15 +412,16 @@ static u32 sr_retrieve_nvalue(struct omap_sr *sr, u32 efuse_offs) */ int sr_configure_errgen(struct voltagedomain *voltdm) { - u32 sr_config, sr_errconfig, errconfig_offs, vpboundint_en; - u32 vpboundint_st, senp_en = 0, senn_en = 0; + u32 sr_config, sr_errconfig, errconfig_offs; + u32 vpboundint_en, vpboundint_st; + u32 senp_en = 0, senn_en = 0; u8 senp_shift, senn_shift; struct omap_sr *sr = _sr_lookup(voltdm); if (IS_ERR(sr)) { pr_warning("%s: omap_sr struct for sr_%s not found\n", __func__, voltdm->name); - return -EINVAL; + return PTR_ERR(sr); } if (!sr->clk_length) @@ -418,20 +433,23 @@ int sr_configure_errgen(struct voltagedomain *voltdm) sr_config = (sr->clk_length << SRCONFIG_SRCLKLENGTH_SHIFT) | SRCONFIG_SENENABLE | SRCONFIG_ERRGEN_EN; - if (sr->ip_type == SR_TYPE_V1) { + switch (sr->ip_type) { + case SR_TYPE_V1: sr_config |= SRCONFIG_DELAYCTRL; senn_shift = SRCONFIG_SENNENABLE_V1_SHIFT; senp_shift = SRCONFIG_SENPENABLE_V1_SHIFT; errconfig_offs = ERRCONFIG_V1; vpboundint_en = ERRCONFIG_VPBOUNDINTEN_V1; vpboundint_st = ERRCONFIG_VPBOUNDINTST_V1; - } else if (sr->ip_type == SR_TYPE_V2) { + break; + case SR_TYPE_V2: senn_shift = SRCONFIG_SENNENABLE_V2_SHIFT; senp_shift = SRCONFIG_SENPENABLE_V2_SHIFT; errconfig_offs = ERRCONFIG_V2; vpboundint_en = ERRCONFIG_VPBOUNDINTEN_V2; vpboundint_st = ERRCONFIG_VPBOUNDINTST_V2; - } else { + break; + default: dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex" "module without specifying the ip\n", __func__); return -EINVAL; @@ -447,8 +465,55 @@ int sr_configure_errgen(struct voltagedomain *voltdm) sr_errconfig); /* Enabling the interrupts if the ERROR module is used */ - sr_modify_reg(sr, errconfig_offs, - vpboundint_en, (vpboundint_en | vpboundint_st)); + sr_modify_reg(sr, errconfig_offs, (vpboundint_en | vpboundint_st), + vpboundint_en); + + return 0; +} + +/** + * sr_disable_errgen() - Disables SmartReflex AVS module's errgen component + * @voltdm: VDD pointer to which the SR module to be configured belongs to. + * + * This API is to be called from the smartreflex class driver to + * disable the error generator module inside the smartreflex module. + * + * Returns 0 on success and error value in case of failure. + */ +int sr_disable_errgen(struct voltagedomain *voltdm) +{ + u32 errconfig_offs; + u32 vpboundint_en, vpboundint_st; + struct omap_sr *sr = _sr_lookup(voltdm); + + if (IS_ERR(sr)) { + pr_warning("%s: omap_sr struct for sr_%s not found\n", + __func__, voltdm->name); + return PTR_ERR(sr); + } + + switch (sr->ip_type) { + case SR_TYPE_V1: + errconfig_offs = ERRCONFIG_V1; + vpboundint_en = ERRCONFIG_VPBOUNDINTEN_V1; + vpboundint_st = ERRCONFIG_VPBOUNDINTST_V1; + break; + case SR_TYPE_V2: + errconfig_offs = ERRCONFIG_V2; + vpboundint_en = ERRCONFIG_VPBOUNDINTEN_V2; + vpboundint_st = ERRCONFIG_VPBOUNDINTST_V2; + break; + default: + dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex" + "module without specifying the ip\n", __func__); + return -EINVAL; + } + + /* Disable the interrupts of ERROR module */ + sr_modify_reg(sr, errconfig_offs, vpboundint_en | vpboundint_st, 0); + + /* Disable the Sensor and errorgen */ + sr_modify_reg(sr, SRCONFIG, SRCONFIG_SENENABLE | SRCONFIG_ERRGEN_EN, 0); return 0; } @@ -475,7 +540,7 @@ int sr_configure_minmax(struct voltagedomain *voltdm) if (IS_ERR(sr)) { pr_warning("%s: omap_sr struct for sr_%s not found\n", __func__, voltdm->name); - return -EINVAL; + return PTR_ERR(sr); } if (!sr->clk_length) @@ -488,14 +553,17 @@ int sr_configure_minmax(struct voltagedomain *voltdm) SRCONFIG_SENENABLE | (sr->accum_data << SRCONFIG_ACCUMDATA_SHIFT); - if (sr->ip_type == SR_TYPE_V1) { + switch (sr->ip_type) { + case SR_TYPE_V1: sr_config |= SRCONFIG_DELAYCTRL; senn_shift = SRCONFIG_SENNENABLE_V1_SHIFT; senp_shift = SRCONFIG_SENPENABLE_V1_SHIFT; - } else if (sr->ip_type == SR_TYPE_V2) { + break; + case SR_TYPE_V2: senn_shift = SRCONFIG_SENNENABLE_V2_SHIFT; senp_shift = SRCONFIG_SENPENABLE_V2_SHIFT; - } else { + break; + default: dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex" "module without specifying the ip\n", __func__); return -EINVAL; @@ -511,20 +579,27 @@ int sr_configure_minmax(struct voltagedomain *voltdm) * Enabling the interrupts if MINMAXAVG module is used. * TODO: check if all the interrupts are mandatory */ - if (sr->ip_type == SR_TYPE_V1) { + switch (sr->ip_type) { + case SR_TYPE_V1: sr_modify_reg(sr, ERRCONFIG_V1, (ERRCONFIG_MCUACCUMINTEN | ERRCONFIG_MCUVALIDINTEN | ERRCONFIG_MCUBOUNDINTEN), (ERRCONFIG_MCUACCUMINTEN | ERRCONFIG_MCUACCUMINTST | ERRCONFIG_MCUVALIDINTEN | ERRCONFIG_MCUVALIDINTST | ERRCONFIG_MCUBOUNDINTEN | ERRCONFIG_MCUBOUNDINTST)); - } else if (sr->ip_type == SR_TYPE_V2) { + break; + case SR_TYPE_V2: sr_write_reg(sr, IRQSTATUS, IRQSTATUS_MCUACCUMINT | IRQSTATUS_MCVALIDINT | IRQSTATUS_MCBOUNDSINT | IRQSTATUS_MCUDISABLEACKINT); sr_write_reg(sr, IRQENABLE_SET, IRQENABLE_MCUACCUMINT | IRQENABLE_MCUVALIDINT | IRQENABLE_MCUBOUNDSINT | IRQENABLE_MCUDISABLEACKINT); + break; + default: + dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex" + "module without specifying the ip\n", __func__); + return -EINVAL; } return 0; @@ -543,15 +618,15 @@ int sr_configure_minmax(struct voltagedomain *voltdm) */ int sr_enable(struct voltagedomain *voltdm, unsigned long volt) { - u32 nvalue_reciprocal; struct omap_volt_data *volt_data; struct omap_sr *sr = _sr_lookup(voltdm); + u32 nvalue_reciprocal; int ret; if (IS_ERR(sr)) { pr_warning("%s: omap_sr struct for sr_%s not found\n", __func__, voltdm->name); - return -EINVAL; + return PTR_ERR(sr); } volt_data = omap_voltage_get_voltdata(sr->voltdm, volt); @@ -559,7 +634,7 @@ int sr_enable(struct voltagedomain *voltdm, unsigned long volt) if (IS_ERR(volt_data)) { dev_warn(&sr->pdev->dev, "%s: Unable to get voltage table" "for nominal voltage %ld\n", __func__, volt); - return -ENODATA; + return PTR_ERR(volt_data); } nvalue_reciprocal = sr_retrieve_nvalue(sr, volt_data->sr_efuse_offs); @@ -617,10 +692,17 @@ void sr_disable(struct voltagedomain *voltdm) * disable the clocks. */ if (sr_read_reg(sr, SRCONFIG) & SRCONFIG_SRENABLE) { - if (sr->ip_type == SR_TYPE_V1) + switch (sr->ip_type) { + case SR_TYPE_V1: sr_v1_disable(sr); - else if (sr->ip_type == SR_TYPE_V2) + break; + case SR_TYPE_V2: sr_v2_disable(sr); + break; + default: + dev_err(&sr->pdev->dev, "UNKNOWN IP type %d\n", + sr->ip_type); + } } pm_runtime_put_sync_suspend(&sr->pdev->dev); @@ -779,10 +861,10 @@ void omap_sr_register_pmic(struct omap_sr_pmic_data *pmic_data) sr_pmic_data = pmic_data; } -/* PM Debug Fs enteries to enable disable smartreflex. */ +/* PM Debug FS entries to enable and disable smartreflex. */ static int omap_sr_autocomp_show(void *data, u64 *val) { - struct omap_sr *sr_info = (struct omap_sr *) data; + struct omap_sr *sr_info = data; if (!sr_info) { pr_warning("%s: omap_sr struct not found\n", __func__); @@ -796,7 +878,7 @@ static int omap_sr_autocomp_show(void *data, u64 *val) static int omap_sr_autocomp_store(void *data, u64 val) { - struct omap_sr *sr_info = (struct omap_sr *) data; + struct omap_sr *sr_info = data; if (!sr_info) { pr_warning("%s: omap_sr struct not found\n", __func__); @@ -804,7 +886,7 @@ static int omap_sr_autocomp_store(void *data, u64 val) } /* Sanity check */ - if (val && (val != 1)) { + if (val > 1) { pr_warning("%s: Invalid argument %lld\n", __func__, val); return -EINVAL; } @@ -821,11 +903,11 @@ static int omap_sr_autocomp_store(void *data, u64 val) } DEFINE_SIMPLE_ATTRIBUTE(pm_sr_fops, omap_sr_autocomp_show, - omap_sr_autocomp_store, "%llu\n"); + omap_sr_autocomp_store, "%llu\n"); static int __init omap_sr_probe(struct platform_device *pdev) { - struct omap_sr *sr_info = kzalloc(sizeof(struct omap_sr), GFP_KERNEL); + struct omap_sr *sr_info; struct omap_sr_data *pdata = pdev->dev.platform_data; struct resource *mem, *irq; struct dentry *nvalue_dir; @@ -833,12 +915,15 @@ static int __init omap_sr_probe(struct platform_device *pdev) int i, ret = 0; char *name; + sr_info = kzalloc(sizeof(struct omap_sr), GFP_KERNEL); if (!sr_info) { dev_err(&pdev->dev, "%s: unable to allocate sr_info\n", __func__); return -ENOMEM; } + platform_set_drvdata(pdev, sr_info); + if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); ret = -EINVAL; @@ -904,7 +989,7 @@ static int __init omap_sr_probe(struct platform_device *pdev) dev_info(&pdev->dev, "%s: SmartReflex driver initialized\n", __func__); if (!sr_dbg_dir) { sr_dbg_dir = debugfs_create_dir("smartreflex", NULL); - if (!sr_dbg_dir) { + if (IS_ERR_OR_NULL(sr_dbg_dir)) { ret = PTR_ERR(sr_dbg_dir); pr_err("%s:sr debugfs dir creation failed(%d)\n", __func__, ret); @@ -921,7 +1006,7 @@ static int __init omap_sr_probe(struct platform_device *pdev) } sr_info->dbg_dir = debugfs_create_dir(name, sr_dbg_dir); kfree(name); - if (IS_ERR(sr_info->dbg_dir)) { + if (IS_ERR_OR_NULL(sr_info->dbg_dir)) { dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n", __func__); ret = PTR_ERR(sr_info->dbg_dir); @@ -938,7 +1023,7 @@ static int __init omap_sr_probe(struct platform_device *pdev) &sr_info->err_minlimit); nvalue_dir = debugfs_create_dir("nvalue", sr_info->dbg_dir); - if (IS_ERR(nvalue_dir)) { + if (IS_ERR_OR_NULL(nvalue_dir)) { dev_err(&pdev->dev, "%s: Unable to create debugfs directory" "for n-values\n", __func__); ret = PTR_ERR(nvalue_dir); @@ -994,7 +1079,7 @@ static int __devexit omap_sr_remove(struct platform_device *pdev) if (IS_ERR(sr_info)) { dev_warn(&pdev->dev, "%s: omap_sr struct not found\n", __func__); - return -EINVAL; + return PTR_ERR(sr_info); } if (sr_info->autocomp_active) @@ -1011,8 +1096,32 @@ static int __devexit omap_sr_remove(struct platform_device *pdev) return 0; } +static void __devexit omap_sr_shutdown(struct platform_device *pdev) +{ + struct omap_sr_data *pdata = pdev->dev.platform_data; + struct omap_sr *sr_info; + + if (!pdata) { + dev_err(&pdev->dev, "%s: platform data missing\n", __func__); + return; + } + + sr_info = _sr_lookup(pdata->voltdm); + if (IS_ERR(sr_info)) { + dev_warn(&pdev->dev, "%s: omap_sr struct not found\n", + __func__); + return; + } + + if (sr_info->autocomp_active) + sr_stop_vddautocomp(sr_info); + + return; +} + static struct platform_driver smartreflex_driver = { .remove = __devexit_p(omap_sr_remove), + .shutdown = __devexit_p(omap_sr_shutdown), .driver = { .name = "smartreflex", }, @@ -1042,12 +1151,12 @@ static int __init sr_init(void) return 0; } +late_initcall(sr_init); static void __exit sr_exit(void) { platform_driver_unregister(&smartreflex_driver); } -late_initcall(sr_init); module_exit(sr_exit); MODULE_DESCRIPTION("OMAP Smartreflex Driver"); diff --git a/arch/arm/mach-omap2/smartreflex.h b/arch/arm/mach-omap2/smartreflex.h index 5f35b9e..5809141 100644 --- a/arch/arm/mach-omap2/smartreflex.h +++ b/arch/arm/mach-omap2/smartreflex.h @@ -152,6 +152,15 @@ struct omap_sr_pmic_data { void (*sr_pmic_init) (void); }; +/** + * struct omap_smartreflex_dev_attr - Smartreflex Device attribute. + * + * @sensor_voltdm_name: Name of voltdomain of SR instance + */ +struct omap_smartreflex_dev_attr { + const char *sensor_voltdm_name; +}; + #ifdef CONFIG_OMAP_SMARTREFLEX /* * The smart reflex driver supports CLASS1 CLASS2 and CLASS3 SR. @@ -231,6 +240,7 @@ void omap_sr_register_pmic(struct omap_sr_pmic_data *pmic_data); int sr_enable(struct voltagedomain *voltdm, unsigned long volt); void sr_disable(struct voltagedomain *voltdm); int sr_configure_errgen(struct voltagedomain *voltdm); +int sr_disable_errgen(struct voltagedomain *voltdm); int sr_configure_minmax(struct voltagedomain *voltdm); /* API to register the smartreflex class driver with the smartreflex driver */ diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c index 78c9437..a503e1e 100644 --- a/arch/arm/mach-omap2/sr_device.c +++ b/arch/arm/mach-omap2/sr_device.c @@ -74,6 +74,7 @@ static int __init sr_dev_init(struct omap_hwmod *oh, void *user) struct omap_sr_data *sr_data; struct platform_device *pdev; struct omap_volt_data *volt_data; + struct omap_smartreflex_dev_attr *sr_dev_attr; char *name = "smartreflex"; static int i; @@ -84,9 +85,11 @@ static int __init sr_dev_init(struct omap_hwmod *oh, void *user) return -ENOMEM; } - if (!oh->vdd_name) { + sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr; + if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) { pr_err("%s: No voltage domain specified for %s." - "Cannot initialize\n", __func__, oh->name); + "Cannot initialize\n", __func__, + oh->name); goto exit; } @@ -94,10 +97,10 @@ static int __init sr_dev_init(struct omap_hwmod *oh, void *user) sr_data->senn_mod = 0x1; sr_data->senp_mod = 0x1; - sr_data->voltdm = voltdm_lookup(oh->vdd_name); + sr_data->voltdm = voltdm_lookup(sr_dev_attr->sensor_voltdm_name); if (IS_ERR(sr_data->voltdm)) { pr_err("%s: Unable to get voltage domain pointer for VDD %s\n", - __func__, oh->vdd_name); + __func__, sr_dev_attr->sensor_voltdm_name); goto exit; } diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 5bc1312..84f2d701 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -406,20 +406,17 @@ static struct resource pxa_rtc_resources[] = { [1] = { .start = IRQ_RTC1Hz, .end = IRQ_RTC1Hz, + .name = "rtc 1Hz", .flags = IORESOURCE_IRQ, }, [2] = { .start = IRQ_RTCAlrm, .end = IRQ_RTCAlrm, + .name = "rtc alarm", .flags = IORESOURCE_IRQ, }, }; -struct platform_device sa1100_device_rtc = { - .name = "sa1100-rtc", - .id = -1, -}; - struct platform_device pxa_device_rtc = { .name = "pxa-rtc", .id = -1, @@ -427,6 +424,27 @@ struct platform_device pxa_device_rtc = { .resource = pxa_rtc_resources, }; +static struct resource sa1100_rtc_resources[] = { + { + .start = IRQ_RTC1Hz, + .end = IRQ_RTC1Hz, + .name = "rtc 1Hz", + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_RTCAlrm, + .end = IRQ_RTCAlrm, + .name = "rtc alarm", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device sa1100_device_rtc = { + .name = "sa1100-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(sa1100_rtc_resources), + .resource = sa1100_rtc_resources, +}; + static struct resource pxa_ac97_resources[] = { [0] = { .start = 0x40500000, diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c index f309bf9..3fa929d 100644 --- a/arch/arm/mach-pxa/hx4700.c +++ b/arch/arm/mach-pxa/hx4700.c @@ -28,7 +28,8 @@ #include <linux/mtd/physmap.h> #include <linux/pda_power.h> #include <linux/pwm_backlight.h> -#include <linux/regulator/bq24022.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/gpio-regulator.h> #include <linux/regulator/machine.h> #include <linux/regulator/max1586.h> #include <linux/spi/ads7846.h> @@ -698,14 +699,34 @@ static struct regulator_init_data bq24022_init_data = { .consumer_supplies = bq24022_consumers, }; -static struct bq24022_mach_info bq24022_info = { - .gpio_nce = GPIO72_HX4700_BQ24022_nCHARGE_EN, - .gpio_iset2 = GPIO96_HX4700_BQ24022_ISET2, - .init_data = &bq24022_init_data, +static struct gpio bq24022_gpios[] = { + { GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" }, +}; + +static struct gpio_regulator_state bq24022_states[] = { + { .value = 100000, .gpios = (0 << 0) }, + { .value = 500000, .gpios = (1 << 0) }, +}; + +static struct gpio_regulator_config bq24022_info = { + .supply_name = "bq24022", + + .enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN, + .enable_high = 0, + .enabled_at_boot = 0, + + .gpios = bq24022_gpios, + .nr_gpios = ARRAY_SIZE(bq24022_gpios), + + .states = bq24022_states, + .nr_states = ARRAY_SIZE(bq24022_states), + + .type = REGULATOR_CURRENT, + .init_data = &bq24022_init_data, }; static struct platform_device bq24022 = { - .name = "bq24022", + .name = "gpio-regulator", .id = -1, .dev = { .platform_data = &bq24022_info, diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 3d6baf9..5e26f3e 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -25,7 +25,8 @@ #include <linux/mtd/physmap.h> #include <linux/pda_power.h> #include <linux/pwm_backlight.h> -#include <linux/regulator/bq24022.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/gpio-regulator.h> #include <linux/regulator/machine.h> #include <linux/usb/gpio_vbus.h> #include <linux/i2c/pxa-i2c.h> @@ -596,14 +597,34 @@ static struct regulator_init_data bq24022_init_data = { .consumer_supplies = bq24022_consumers, }; -static struct bq24022_mach_info bq24022_info = { - .gpio_nce = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN, - .gpio_iset2 = EGPIO_MAGICIAN_BQ24022_ISET2, - .init_data = &bq24022_init_data, +static struct gpio bq24022_gpios[] = { + { EGPIO_MAGICIAN_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" }, +}; + +static struct gpio_regulator_state bq24022_states[] = { + { .value = 100000, .gpios = (0 << 0) }, + { .value = 500000, .gpios = (1 << 0) }, +}; + +static struct gpio_regulator_config bq24022_info = { + .supply_name = "bq24022", + + .enable_gpio = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN, + .enable_high = 0, + .enabled_at_boot = 0, + + .gpios = bq24022_gpios, + .nr_gpios = ARRAY_SIZE(bq24022_gpios), + + .states = bq24022_states, + .nr_states = ARRAY_SIZE(bq24022_states), + + .type = REGULATOR_CURRENT, + .init_data = &bq24022_init_data, }; static struct platform_device bq24022 = { - .name = "bq24022", + .name = "gpio-regulator", .id = -1, .dev = { .platform_data = &bq24022_info, diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 3918a67..1570d45 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -89,6 +89,7 @@ static struct clk_lookup pxa3xx_clkregs[] = { INIT_CLKREG(&clk_pxa3xx_mmc2, "pxa2xx-mci.1", NULL), INIT_CLKREG(&clk_pxa3xx_smemc, "pxa2xx-pcmcia", NULL), INIT_CLKREG(&clk_pxa3xx_gpio, "pxa-gpio", NULL), + INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; #ifdef CONFIG_PM diff --git a/arch/arm/mach-pxa/pxa95x.c b/arch/arm/mach-pxa/pxa95x.c index 5ce434b..47601f8 100644 --- a/arch/arm/mach-pxa/pxa95x.c +++ b/arch/arm/mach-pxa/pxa95x.c @@ -231,6 +231,7 @@ static struct clk_lookup pxa95x_clkregs[] = { INIT_CLKREG(&clk_pxa95x_pwm0, "pxa27x-pwm.0", NULL), INIT_CLKREG(&clk_pxa95x_pwm1, "pxa27x-pwm.1", NULL), INIT_CLKREG(&clk_pxa95x_gpio, "pxa-gpio", NULL), + INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; void __init pxa95x_init_irq(void) diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c index 08bb035..0e9a71c 100644 --- a/arch/arm/mach-s3c24xx/s3c2416.c +++ b/arch/arm/mach-s3c24xx/s3c2416.c @@ -59,6 +59,7 @@ #include <plat/fb-core.h> #include <plat/nand-core.h> #include <plat/adc-core.h> +#include <plat/rtc-core.h> static struct map_desc s3c2416_iodesc[] __initdata = { IODESC_ENT(WATCHDOG), @@ -98,6 +99,7 @@ int __init s3c2416_init(void) s3c_fb_setname("s3c2443-fb"); s3c_adc_setname("s3c2416-adc"); + s3c_rtc_setname("s3c2416-rtc"); #ifdef CONFIG_PM register_syscore_ops(&s3c2416_pm_syscore_ops); diff --git a/arch/arm/mach-s3c24xx/s3c2443.c b/arch/arm/mach-s3c24xx/s3c2443.c index b9deaeb..b7778a9 100644 --- a/arch/arm/mach-s3c24xx/s3c2443.c +++ b/arch/arm/mach-s3c24xx/s3c2443.c @@ -41,6 +41,7 @@ #include <plat/fb-core.h> #include <plat/nand-core.h> #include <plat/adc-core.h> +#include <plat/rtc-core.h> static struct map_desc s3c2443_iodesc[] __initdata = { IODESC_ENT(WATCHDOG), @@ -73,6 +74,7 @@ int __init s3c2443_init(void) s3c_fb_setname("s3c2443-fb"); s3c_adc_setname("s3c2443-adc"); + s3c_rtc_setname("s3c2443-rtc"); /* change WDT IRQ number */ s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c index dab3c63..172ebd0 100644 --- a/arch/arm/mach-sa1100/clock.c +++ b/arch/arm/mach-sa1100/clock.c @@ -11,17 +11,29 @@ #include <linux/clk.h> #include <linux/spinlock.h> #include <linux/mutex.h> +#include <linux/io.h> +#include <linux/clkdev.h> #include <mach/hardware.h> -/* - * Very simple clock implementation - we only have one clock to deal with. - */ +struct clkops { + void (*enable)(struct clk *); + void (*disable)(struct clk *); +}; + struct clk { + const struct clkops *ops; unsigned int enabled; }; -static void clk_gpio27_enable(void) +#define DEFINE_CLK(_name, _ops) \ +struct clk clk_##_name = { \ + .ops = _ops, \ + } + +static DEFINE_SPINLOCK(clocks_lock); + +static void clk_gpio27_enable(struct clk *clk) { /* * First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111: @@ -32,38 +44,24 @@ static void clk_gpio27_enable(void) TUCR = TUCR_3_6864MHz; } -static void clk_gpio27_disable(void) +static void clk_gpio27_disable(struct clk *clk) { TUCR = 0; GPDR &= ~GPIO_32_768kHz; GAFR &= ~GPIO_32_768kHz; } -static struct clk clk_gpio27; - -static DEFINE_SPINLOCK(clocks_lock); - -struct clk *clk_get(struct device *dev, const char *id) -{ - const char *devname = dev_name(dev); - - return strcmp(devname, "sa1111.0") ? ERR_PTR(-ENOENT) : &clk_gpio27; -} -EXPORT_SYMBOL(clk_get); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); - int clk_enable(struct clk *clk) { unsigned long flags; - spin_lock_irqsave(&clocks_lock, flags); - if (clk->enabled++ == 0) - clk_gpio27_enable(); - spin_unlock_irqrestore(&clocks_lock, flags); + if (clk) { + spin_lock_irqsave(&clocks_lock, flags); + if (clk->enabled++ == 0) + clk->ops->enable(clk); + spin_unlock_irqrestore(&clocks_lock, flags); + } + return 0; } EXPORT_SYMBOL(clk_enable); @@ -72,17 +70,31 @@ void clk_disable(struct clk *clk) { unsigned long flags; - WARN_ON(clk->enabled == 0); - - spin_lock_irqsave(&clocks_lock, flags); - if (--clk->enabled == 0) - clk_gpio27_disable(); - spin_unlock_irqrestore(&clocks_lock, flags); + if (clk) { + WARN_ON(clk->enabled == 0); + spin_lock_irqsave(&clocks_lock, flags); + if (--clk->enabled == 0) + clk->ops->disable(clk); + spin_unlock_irqrestore(&clocks_lock, flags); + } } EXPORT_SYMBOL(clk_disable); -unsigned long clk_get_rate(struct clk *clk) +const struct clkops clk_gpio27_ops = { + .enable = clk_gpio27_enable, + .disable = clk_gpio27_disable, +}; + +static DEFINE_CLK(gpio27, &clk_gpio27_ops); + +static struct clk_lookup sa11xx_clkregs[] = { + CLKDEV_INIT("sa1111.0", NULL, &clk_gpio27), + CLKDEV_INIT("sa1100-rtc", NULL, NULL), +}; + +static int __init sa11xx_clk_init(void) { - return 3686400; + clkdev_add_table(sa11xx_clkregs, ARRAY_SIZE(sa11xx_clkregs)); + return 0; } -EXPORT_SYMBOL(clk_get_rate); +core_initcall(sa11xx_clk_init); diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index bb10ee2..7c1ebf4 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -345,9 +345,17 @@ void sa11x0_register_irda(struct irda_platform_data *irda) sa11x0_register_device(&sa11x0ir_device, irda); } +static struct resource sa1100_rtc_resources[] = { + DEFINE_RES_MEM(0x90010000, 0x9001003f), + DEFINE_RES_IRQ_NAMED(IRQ_RTC1Hz, "rtc 1Hz"), + DEFINE_RES_IRQ_NAMED(IRQ_RTCAlrm, "rtc alarm"), +}; + static struct platform_device sa11x0rtc_device = { .name = "sa1100-rtc", .id = -1, + .num_resources = ARRAY_SIZE(sa1100_rtc_resources), + .resource = sa1100_rtc_resources, }; static struct platform_device *sa11x0_devices[] __initdata = { diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 76a79b8..1dd2726 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -7,6 +7,7 @@ obj-y += clock.o obj-y += timer.o obj-y += pinmux.o obj-y += fuse.o +obj-y += pmc.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += powergate.o @@ -18,7 +19,7 @@ obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += board-dt-tegra30.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o -obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o +obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o apbio.o obj-$(CONFIG_CPU_FREQ) += cpu-tegra.o obj-$(CONFIG_TEGRA_PCI) += pcie.o obj-$(CONFIG_USB_SUPPORT) += usb_phy.o diff --git a/arch/arm/mach-tegra/apbio.c b/arch/arm/mach-tegra/apbio.c new file mode 100644 index 0000000..e75451e --- /dev/null +++ b/arch/arm/mach-tegra/apbio.c @@ -0,0 +1,145 @@ +/* + * Copyright (C) 2010 NVIDIA Corporation. + * Copyright (C) 2010 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/dma-mapping.h> +#include <linux/spinlock.h> +#include <linux/completion.h> +#include <linux/sched.h> +#include <linux/mutex.h> + +#include <mach/dma.h> +#include <mach/iomap.h> + +#include "apbio.h" + +static DEFINE_MUTEX(tegra_apb_dma_lock); + +static struct tegra_dma_channel *tegra_apb_dma; +static u32 *tegra_apb_bb; +static dma_addr_t tegra_apb_bb_phys; +static DECLARE_COMPLETION(tegra_apb_wait); + +bool tegra_apb_init(void) +{ + struct tegra_dma_channel *ch; + + mutex_lock(&tegra_apb_dma_lock); + + /* Check to see if we raced to setup */ + if (tegra_apb_dma) + goto out; + + ch = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT | + TEGRA_DMA_SHARED); + + if (!ch) + goto out_fail; + + tegra_apb_bb = dma_alloc_coherent(NULL, sizeof(u32), + &tegra_apb_bb_phys, GFP_KERNEL); + if (!tegra_apb_bb) { + pr_err("%s: can not allocate bounce buffer\n", __func__); + tegra_dma_free_channel(ch); + goto out_fail; + } + + tegra_apb_dma = ch; +out: + mutex_unlock(&tegra_apb_dma_lock); + return true; + +out_fail: + mutex_unlock(&tegra_apb_dma_lock); + return false; +} + +static void apb_dma_complete(struct tegra_dma_req *req) +{ + complete(&tegra_apb_wait); +} + +u32 tegra_apb_readl(unsigned long offset) +{ + struct tegra_dma_req req; + int ret; + + if (!tegra_apb_dma && !tegra_apb_init()) + return readl(IO_TO_VIRT(offset)); + + mutex_lock(&tegra_apb_dma_lock); + req.complete = apb_dma_complete; + req.to_memory = 1; + req.dest_addr = tegra_apb_bb_phys; + req.dest_bus_width = 32; + req.dest_wrap = 1; + req.source_addr = offset; + req.source_bus_width = 32; + req.source_wrap = 4; + req.req_sel = TEGRA_DMA_REQ_SEL_CNTR; + req.size = 4; + + INIT_COMPLETION(tegra_apb_wait); + + tegra_dma_enqueue_req(tegra_apb_dma, &req); + + ret = wait_for_completion_timeout(&tegra_apb_wait, + msecs_to_jiffies(50)); + + if (WARN(ret == 0, "apb read dma timed out")) { + tegra_dma_dequeue_req(tegra_apb_dma, &req); + *(u32 *)tegra_apb_bb = 0; + } + + mutex_unlock(&tegra_apb_dma_lock); + return *((u32 *)tegra_apb_bb); +} + +void tegra_apb_writel(u32 value, unsigned long offset) +{ + struct tegra_dma_req req; + int ret; + + if (!tegra_apb_dma && !tegra_apb_init()) { + writel(value, IO_TO_VIRT(offset)); + return; + } + + mutex_lock(&tegra_apb_dma_lock); + *((u32 *)tegra_apb_bb) = value; + req.complete = apb_dma_complete; + req.to_memory = 0; + req.dest_addr = offset; + req.dest_wrap = 4; + req.dest_bus_width = 32; + req.source_addr = tegra_apb_bb_phys; + req.source_bus_width = 32; + req.source_wrap = 1; + req.req_sel = TEGRA_DMA_REQ_SEL_CNTR; + req.size = 4; + + INIT_COMPLETION(tegra_apb_wait); + + tegra_dma_enqueue_req(tegra_apb_dma, &req); + + ret = wait_for_completion_timeout(&tegra_apb_wait, + msecs_to_jiffies(50)); + + if (WARN(ret == 0, "apb write dma timed out")) + tegra_dma_dequeue_req(tegra_apb_dma, &req); + + mutex_unlock(&tegra_apb_dma_lock); +} diff --git a/arch/arm/mach-tegra/apbio.h b/arch/arm/mach-tegra/apbio.h new file mode 100644 index 0000000..8b49e8c --- /dev/null +++ b/arch/arm/mach-tegra/apbio.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2010 NVIDIA Corporation. + * Copyright (C) 2010 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __MACH_TEGRA_APBIO_H +#define __MACH_TEGRA_APBIO_H + +#ifdef CONFIG_TEGRA_SYSTEM_DMA + +u32 tegra_apb_readl(unsigned long offset); +void tegra_apb_writel(u32 value, unsigned long offset); + +#else +#include <asm/io.h> +#include <mach/io.h> + +static inline u32 tegra_apb_readl(unsigned long offset) +{ + return readl(IO_TO_VIRT(offset)); +} + +static inline void tegra_apb_writel(u32 value, unsigned long offset) +{ + writel(value, IO_TO_VIRT(offset)); +} +#endif + +#endif diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c index c0298b3..82f32300 100644 --- a/arch/arm/mach-tegra/board-harmony-power.c +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -18,18 +18,13 @@ #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/gpio.h> -#include <linux/io.h> #include <linux/regulator/machine.h> #include <linux/mfd/tps6586x.h> -#include <mach/iomap.h> #include <mach/irqs.h> #include "board-harmony.h" -#define PMC_CTRL 0x0 -#define PMC_CTRL_INTR_LOW (1 << 17) - static struct regulator_consumer_supply tps658621_ldo0_supply[] = { REGULATOR_SUPPLY("pex_clk", NULL), }; @@ -115,16 +110,6 @@ static struct i2c_board_info __initdata harmony_regulators[] = { int __init harmony_regulator_init(void) { - void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE); - u32 pmc_ctrl; - - /* - * Configure the power management controller to trigger PMU - * interrupts when low - */ - pmc_ctrl = readl(pmc + PMC_CTRL); - writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL); - i2c_register_board_info(3, harmony_regulators, 1); return 0; diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c index 789bdc9..c00aadb 100644 --- a/arch/arm/mach-tegra/board-harmony.c +++ b/arch/arm/mach-tegra/board-harmony.c @@ -101,7 +101,6 @@ static struct wm8903_platform_data harmony_wm8903_pdata = { static struct i2c_board_info __initdata wm8903_board_info = { I2C_BOARD_INFO("wm8903", 0x1a), .platform_data = &harmony_wm8903_pdata, - .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ), }; static void __init harmony_i2c_init(void) @@ -111,6 +110,7 @@ static void __init harmony_i2c_init(void) platform_device_register(&tegra_i2c_device3); platform_device_register(&tegra_i2c_device4); + wm8903_board_info.irq = gpio_to_irq(TEGRA_GPIO_CDC_IRQ); i2c_register_board_info(0, &wm8903_board_info, 1); } diff --git a/arch/arm/mach-tegra/board-seaboard.c b/arch/arm/mach-tegra/board-seaboard.c index ebac65f..d669847 100644 --- a/arch/arm/mach-tegra/board-seaboard.c +++ b/arch/arm/mach-tegra/board-seaboard.c @@ -159,7 +159,6 @@ static struct platform_device *seaboard_devices[] __initdata = { static struct i2c_board_info __initdata isl29018_device = { I2C_BOARD_INFO("isl29018", 0x44), - .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_ISL29018_IRQ), }; static struct i2c_board_info __initdata adt7461_device = { @@ -183,7 +182,6 @@ static struct wm8903_platform_data wm8903_pdata = { static struct i2c_board_info __initdata wm8903_device = { I2C_BOARD_INFO("wm8903", 0x1a), .platform_data = &wm8903_pdata, - .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ), }; static int seaboard_ehci_init(void) @@ -214,7 +212,10 @@ static void __init seaboard_i2c_init(void) gpio_request(TEGRA_GPIO_ISL29018_IRQ, "isl29018"); gpio_direction_input(TEGRA_GPIO_ISL29018_IRQ); + isl29018_device.irq = gpio_to_irq(TEGRA_GPIO_ISL29018_IRQ); i2c_register_board_info(0, &isl29018_device, 1); + + wm8903_device.irq = gpio_to_irq(TEGRA_GPIO_CDC_IRQ); i2c_register_board_info(0, &wm8903_device, 1); i2c_register_board_info(3, &adt7461_device, 1); diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 6c93cd0..2f86fcc 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -31,6 +31,24 @@ #include "board.h" #include "clock.h" #include "fuse.h" +#include "pmc.h" + +/* + * Storage for debug-macro.S's state. + * + * This must be in .data not .bss so that it gets initialized each time the + * kernel is loaded. The data is declared here rather than debug-macro.S so + * that multiple inclusions of debug-macro.S point at the same data. + */ +#define TEGRA_DEBUG_UART_OFFSET (TEGRA_DEBUG_UART_BASE & 0xFFFF) +u32 tegra_uart_config[3] = { + /* Debug UART initialization required */ + 1, + /* Debug UART physical address */ + (u32)(IO_APB_PHYS + TEGRA_DEBUG_UART_OFFSET), + /* Debug UART virtual address */ + (u32)(IO_APB_VIRT + TEGRA_DEBUG_UART_OFFSET), +}; #ifdef CONFIG_OF static const struct of_device_id tegra_dt_irq_match[] __initconst = { @@ -99,6 +117,7 @@ void __init tegra20_init_early(void) tegra2_init_clocks(); tegra_clk_init_from_table(tegra20_clk_init_table); tegra_init_cache(0x331, 0x441); + tegra_pmc_init(); } #endif #ifdef CONFIG_ARCH_TEGRA_3x_SOC @@ -106,5 +125,6 @@ void __init tegra30_init_early(void) { tegra30_init_clocks(); tegra_init_cache(0x441, 0x551); + tegra_pmc_init(); } #endif diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c index c0cf967..abea4f6 100644 --- a/arch/arm/mach-tegra/dma.c +++ b/arch/arm/mach-tegra/dma.c @@ -33,6 +33,8 @@ #include <mach/iomap.h> #include <mach/suspend.h> +#include "apbio.h" + #define APB_DMA_GEN 0x000 #define GEN_ENABLE (1<<31) @@ -50,8 +52,6 @@ #define CSR_ONCE (1<<27) #define CSR_FLOW (1<<21) #define CSR_REQ_SEL_SHIFT 16 -#define CSR_REQ_SEL_MASK (0x1F<<CSR_REQ_SEL_SHIFT) -#define CSR_REQ_SEL_INVALID (31<<CSR_REQ_SEL_SHIFT) #define CSR_WCOUNT_SHIFT 2 #define CSR_WCOUNT_MASK 0xFFFC @@ -133,6 +133,7 @@ struct tegra_dma_channel { static bool tegra_dma_initialized; static DEFINE_MUTEX(tegra_dma_lock); +static DEFINE_SPINLOCK(enable_lock); static DECLARE_BITMAP(channel_usage, NV_DMA_MAX_CHANNELS); static struct tegra_dma_channel dma_channels[NV_DMA_MAX_CHANNELS]; @@ -180,36 +181,94 @@ static void tegra_dma_stop(struct tegra_dma_channel *ch) static int tegra_dma_cancel(struct tegra_dma_channel *ch) { - u32 csr; unsigned long irq_flags; spin_lock_irqsave(&ch->lock, irq_flags); while (!list_empty(&ch->list)) list_del(ch->list.next); - csr = readl(ch->addr + APB_DMA_CHAN_CSR); - csr &= ~CSR_REQ_SEL_MASK; - csr |= CSR_REQ_SEL_INVALID; - writel(csr, ch->addr + APB_DMA_CHAN_CSR); - tegra_dma_stop(ch); spin_unlock_irqrestore(&ch->lock, irq_flags); return 0; } +static unsigned int get_channel_status(struct tegra_dma_channel *ch, + struct tegra_dma_req *req, bool is_stop_dma) +{ + void __iomem *addr = IO_ADDRESS(TEGRA_APB_DMA_BASE); + unsigned int status; + + if (is_stop_dma) { + /* + * STOP the DMA and get the transfer count. + * Getting the transfer count is tricky. + * - Globally disable DMA on all channels + * - Read the channel's status register to know the number + * of pending bytes to be transfered. + * - Stop the dma channel + * - Globally re-enable DMA to resume other transfers + */ + spin_lock(&enable_lock); + writel(0, addr + APB_DMA_GEN); + udelay(20); + status = readl(ch->addr + APB_DMA_CHAN_STA); + tegra_dma_stop(ch); + writel(GEN_ENABLE, addr + APB_DMA_GEN); + spin_unlock(&enable_lock); + if (status & STA_ISE_EOC) { + pr_err("Got Dma Int here clearing"); + writel(status, ch->addr + APB_DMA_CHAN_STA); + } + req->status = TEGRA_DMA_REQ_ERROR_ABORTED; + } else { + status = readl(ch->addr + APB_DMA_CHAN_STA); + } + return status; +} + +/* should be called with the channel lock held */ +static unsigned int dma_active_count(struct tegra_dma_channel *ch, + struct tegra_dma_req *req, unsigned int status) +{ + unsigned int to_transfer; + unsigned int req_transfer_count; + unsigned int bytes_transferred; + + to_transfer = ((status & STA_COUNT_MASK) >> STA_COUNT_SHIFT) + 1; + req_transfer_count = ch->req_transfer_count + 1; + bytes_transferred = req_transfer_count; + if (status & STA_BUSY) + bytes_transferred -= to_transfer; + /* + * In continuous transfer mode, DMA only tracks the count of the + * half DMA buffer. So, if the DMA already finished half the DMA + * then add the half buffer to the completed count. + */ + if (ch->mode & TEGRA_DMA_MODE_CONTINOUS) { + if (req->buffer_status == TEGRA_DMA_REQ_BUF_STATUS_HALF_FULL) + bytes_transferred += req_transfer_count; + if (status & STA_ISE_EOC) + bytes_transferred += req_transfer_count; + } + bytes_transferred *= 4; + return bytes_transferred; +} + int tegra_dma_dequeue_req(struct tegra_dma_channel *ch, struct tegra_dma_req *_req) { - unsigned int csr; unsigned int status; struct tegra_dma_req *req = NULL; int found = 0; unsigned long irq_flags; - int to_transfer; - int req_transfer_count; + int stop = 0; spin_lock_irqsave(&ch->lock, irq_flags); + + if (list_entry(ch->list.next, struct tegra_dma_req, node) == _req) + stop = 1; + list_for_each_entry(req, &ch->list, node) { if (req == _req) { list_del(&req->node); @@ -222,47 +281,12 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch, return 0; } - /* STOP the DMA and get the transfer count. - * Getting the transfer count is tricky. - * - Change the source selector to invalid to stop the DMA from - * FIFO to memory. - * - Read the status register to know the number of pending - * bytes to be transferred. - * - Finally stop or program the DMA to the next buffer in the - * list. - */ - csr = readl(ch->addr + APB_DMA_CHAN_CSR); - csr &= ~CSR_REQ_SEL_MASK; - csr |= CSR_REQ_SEL_INVALID; - writel(csr, ch->addr + APB_DMA_CHAN_CSR); - - /* Get the transfer count */ - status = readl(ch->addr + APB_DMA_CHAN_STA); - to_transfer = (status & STA_COUNT_MASK) >> STA_COUNT_SHIFT; - req_transfer_count = ch->req_transfer_count; - req_transfer_count += 1; - to_transfer += 1; - - req->bytes_transferred = req_transfer_count; - - if (status & STA_BUSY) - req->bytes_transferred -= to_transfer; - - /* In continuous transfer mode, DMA only tracks the count of the - * half DMA buffer. So, if the DMA already finished half the DMA - * then add the half buffer to the completed count. - * - * FIXME: There can be a race here. What if the req to - * dequue happens at the same time as the DMA just moved to - * the new buffer and SW didn't yet received the interrupt? - */ - if (ch->mode & TEGRA_DMA_MODE_CONTINOUS) - if (req->buffer_status == TEGRA_DMA_REQ_BUF_STATUS_HALF_FULL) - req->bytes_transferred += req_transfer_count; + if (!stop) + goto skip_stop_dma; - req->bytes_transferred *= 4; + status = get_channel_status(ch, req, true); + req->bytes_transferred = dma_active_count(ch, req, status); - tegra_dma_stop(ch); if (!list_empty(&ch->list)) { /* if the list is not empty, queue the next request */ struct tegra_dma_req *next_req; @@ -270,6 +294,8 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch, typeof(*next_req), node); tegra_dma_update_hw(ch, next_req); } + +skip_stop_dma: req->status = -TEGRA_DMA_REQ_ERROR_ABORTED; spin_unlock_irqrestore(&ch->lock, irq_flags); @@ -357,7 +383,7 @@ struct tegra_dma_channel *tegra_dma_allocate_channel(int mode) int channel; struct tegra_dma_channel *ch = NULL; - if (WARN_ON(!tegra_dma_initialized)) + if (!tegra_dma_initialized) return NULL; mutex_lock(&tegra_dma_lock); diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c index ea49bd9..c1afb27 100644 --- a/arch/arm/mach-tegra/fuse.c +++ b/arch/arm/mach-tegra/fuse.c @@ -19,25 +19,75 @@ #include <linux/kernel.h> #include <linux/io.h> -#include <linux/module.h> +#include <linux/export.h> #include <mach/iomap.h> #include "fuse.h" +#include "apbio.h" #define FUSE_UID_LOW 0x108 #define FUSE_UID_HIGH 0x10c #define FUSE_SKU_INFO 0x110 #define FUSE_SPARE_BIT 0x200 -static inline u32 fuse_readl(unsigned long offset) +int tegra_sku_id; +int tegra_cpu_process_id; +int tegra_core_process_id; +enum tegra_revision tegra_revision; + +/* The BCT to use at boot is specified by board straps that can be read + * through a APB misc register and decoded. 2 bits, i.e. 4 possible BCTs. + */ +int tegra_bct_strapping; + +#define STRAP_OPT 0x008 +#define GMI_AD0 (1 << 4) +#define GMI_AD1 (1 << 5) +#define RAM_ID_MASK (GMI_AD0 | GMI_AD1) +#define RAM_CODE_SHIFT 4 + +static const char *tegra_revision_name[TEGRA_REVISION_MAX] = { + [TEGRA_REVISION_UNKNOWN] = "unknown", + [TEGRA_REVISION_A01] = "A01", + [TEGRA_REVISION_A02] = "A02", + [TEGRA_REVISION_A03] = "A03", + [TEGRA_REVISION_A03p] = "A03 prime", + [TEGRA_REVISION_A04] = "A04", +}; + +static inline u32 tegra_fuse_readl(unsigned long offset) +{ + return tegra_apb_readl(TEGRA_FUSE_BASE + offset); +} + +static inline bool get_spare_fuse(int bit) { - return readl(IO_TO_VIRT(TEGRA_FUSE_BASE + offset)); + return tegra_fuse_readl(FUSE_SPARE_BIT + bit * 4); } -static inline void fuse_writel(u32 value, unsigned long offset) +static enum tegra_revision tegra_get_revision(void) { - writel(value, IO_TO_VIRT(TEGRA_FUSE_BASE + offset)); + void __iomem *chip_id = IO_ADDRESS(TEGRA_APB_MISC_BASE) + 0x804; + u32 id = readl(chip_id); + u32 minor_rev = (id >> 16) & 0xf; + u32 chipid = (id >> 8) & 0xff; + + switch (minor_rev) { + case 1: + return TEGRA_REVISION_A01; + case 2: + return TEGRA_REVISION_A02; + case 3: + if (chipid == 0x20 && (get_spare_fuse(18) || get_spare_fuse(19))) + return TEGRA_REVISION_A03p; + else + return TEGRA_REVISION_A03; + case 4: + return TEGRA_REVISION_A04; + default: + return TEGRA_REVISION_UNKNOWN; + } } void tegra_init_fuse(void) @@ -46,41 +96,32 @@ void tegra_init_fuse(void) reg |= 1 << 28; writel(reg, IO_TO_VIRT(TEGRA_CLK_RESET_BASE + 0x48)); - pr_info("Tegra SKU: %d CPU Process: %d Core Process: %d\n", - tegra_sku_id(), tegra_cpu_process_id(), - tegra_core_process_id()); + reg = tegra_fuse_readl(FUSE_SKU_INFO); + tegra_sku_id = reg & 0xFF; + + reg = tegra_fuse_readl(FUSE_SPARE_BIT); + tegra_cpu_process_id = (reg >> 6) & 3; + + reg = tegra_fuse_readl(FUSE_SPARE_BIT); + tegra_core_process_id = (reg >> 12) & 3; + + reg = tegra_apb_readl(TEGRA_APB_MISC_BASE + STRAP_OPT); + tegra_bct_strapping = (reg & RAM_ID_MASK) >> RAM_CODE_SHIFT; + + tegra_revision = tegra_get_revision(); + + pr_info("Tegra Revision: %s SKU: %d CPU Process: %d Core Process: %d\n", + tegra_revision_name[tegra_get_revision()], + tegra_sku_id, tegra_cpu_process_id, + tegra_core_process_id); } unsigned long long tegra_chip_uid(void) { unsigned long long lo, hi; - lo = fuse_readl(FUSE_UID_LOW); - hi = fuse_readl(FUSE_UID_HIGH); + lo = tegra_fuse_readl(FUSE_UID_LOW); + hi = tegra_fuse_readl(FUSE_UID_HIGH); return (hi << 32ull) | lo; } EXPORT_SYMBOL(tegra_chip_uid); - -int tegra_sku_id(void) -{ - int sku_id; - u32 reg = fuse_readl(FUSE_SKU_INFO); - sku_id = reg & 0xFF; - return sku_id; -} - -int tegra_cpu_process_id(void) -{ - int cpu_process_id; - u32 reg = fuse_readl(FUSE_SPARE_BIT); - cpu_process_id = (reg >> 6) & 3; - return cpu_process_id; -} - -int tegra_core_process_id(void) -{ - int core_process_id; - u32 reg = fuse_readl(FUSE_SPARE_BIT); - core_process_id = (reg >> 12) & 3; - return core_process_id; -} diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h index 584b2e2..d65d2ab 100644 --- a/arch/arm/mach-tegra/fuse.h +++ b/arch/arm/mach-tegra/fuse.h @@ -1,6 +1,4 @@ /* - * arch/arm/mach-tegra/fuse.c - * * Copyright (C) 2010 Google, Inc. * * Author: @@ -17,8 +15,34 @@ * */ +#ifndef __MACH_TEGRA_FUSE_H +#define __MACH_TEGRA_FUSE_H + +enum tegra_revision { + TEGRA_REVISION_UNKNOWN = 0, + TEGRA_REVISION_A01, + TEGRA_REVISION_A02, + TEGRA_REVISION_A03, + TEGRA_REVISION_A03p, + TEGRA_REVISION_A04, + TEGRA_REVISION_MAX, +}; + +#define SKU_ID_T20 8 +#define SKU_ID_T25SE 20 +#define SKU_ID_AP25 23 +#define SKU_ID_T25 24 +#define SKU_ID_AP25E 27 +#define SKU_ID_T25E 28 + +extern int tegra_sku_id; +extern int tegra_cpu_process_id; +extern int tegra_core_process_id; +extern enum tegra_revision tegra_revision; + +extern int tegra_bct_strapping; + unsigned long long tegra_chip_uid(void); -int tegra_sku_id(void); -int tegra_cpu_process_id(void); -int tegra_core_process_id(void); void tegra_init_fuse(void); + +#endif diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S index 619abc6..90069ab 100644 --- a/arch/arm/mach-tegra/include/mach/debug-macro.S +++ b/arch/arm/mach-tegra/include/mach/debug-macro.S @@ -1,11 +1,17 @@ /* * arch/arm/mach-tegra/include/mach/debug-macro.S * - * Copyright (C) 2010 Google, Inc. + * Copyright (C) 2010,2011 Google, Inc. + * Copyright (C) 2011-2012 NVIDIA CORPORATION. All Rights Reserved. * * Author: * Colin Cross <ccross@google.com> * Erik Gilling <konkers@google.com> + * Doug Anderson <dianders@chromium.org> + * Stephen Warren <swarren@nvidia.com> + * + * Portions based on mach-omap2's debug-macro.S + * Copyright (C) 1994-1999 Russell King * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -18,18 +24,78 @@ * */ +#include <linux/serial_reg.h> + #include <mach/io.h> #include <mach/iomap.h> +#include <mach/irammap.h> + + .macro addruart, rp, rv, tmp + adr \rp, 99f @ actual addr of 99f + ldr \rv, [\rp] @ linked addr is stored there + sub \rv, \rv, \rp @ offset between the two + ldr \rp, [\rp, #4] @ linked tegra_uart_config + sub \tmp, \rp, \rv @ actual tegra_uart_config + ldr \rp, [\tmp] @ Load tegra_uart_config + cmp \rp, #1 @ needs intitialization? + bne 100f @ no; go load the addresses + mov \rv, #0 @ yes; record init is done + str \rv, [\tmp] + mov \rp, #TEGRA_IRAM_BASE @ See if cookie is in IRAM + ldr \rv, [\rp, #TEGRA_IRAM_DEBUG_UART_OFFSET] + movw \rp, #TEGRA_IRAM_DEBUG_UART_COOKIE & 0xffff + movt \rp, #TEGRA_IRAM_DEBUG_UART_COOKIE >> 16 + cmp \rv, \rp @ Cookie present? + bne 100f @ No, use default UART + mov \rp, #TEGRA_IRAM_BASE @ Load UART address from IRAM + ldr \rv, [\rp, #TEGRA_IRAM_DEBUG_UART_OFFSET + 4] + str \rv, [\tmp, #4] @ Store in tegra_uart_phys + sub \rv, \rv, #IO_APB_PHYS @ Calculate virt address + add \rv, \rv, #IO_APB_VIRT + str \rv, [\tmp, #8] @ Store in tegra_uart_virt + b 100f + + .align +99: .word . + .word tegra_uart_config + .ltorg + +100: ldr \rp, [\tmp, #4] @ Load tegra_uart_phys + ldr \rv, [\tmp, #8] @ Load tegra_uart_virt + .endm + +#define UART_SHIFT 2 + +/* + * Code below is swiped from <asm/hardware/debug-8250.S>, but add an extra + * check to make sure that we aren't in the CONFIG_TEGRA_DEBUG_UART_NONE case. + * We use the fact that all 5 valid UART addresses all have something in the + * 2nd-to-lowest byte. + */ - .macro addruart, rp, rv, tmp - ldr \rp, =IO_APB_PHYS @ physical - ldr \rv, =IO_APB_VIRT @ virtual - orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF) - orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF00) - orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF) - orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF00) - .endm + .macro senduart, rd, rx + tst \rx, #0x0000ff00 + strneb \rd, [\rx, #UART_TX << UART_SHIFT] +1001: + .endm -#define UART_SHIFT 2 -#include <asm/hardware/debug-8250.S> + .macro busyuart, rd, rx + tst \rx, #0x0000ff00 + beq 1002f +1001: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT] + and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE + teq \rd, #UART_LSR_TEMT | UART_LSR_THRE + bne 1001b +1002: + .endm + .macro waituart, rd, rx +#ifdef FLOW_CONTROL + tst \rx, #0x0000ff00 + beq 1002f +1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT] + tst \rd, #UART_MSR_CTS + beq 1001b +1002: +#endif + .endm diff --git a/arch/arm/mach-tegra/include/mach/gpio-tegra.h b/arch/arm/mach-tegra/include/mach/gpio-tegra.h index 87d37fd..6140820 100644 --- a/arch/arm/mach-tegra/include/mach/gpio-tegra.h +++ b/arch/arm/mach-tegra/include/mach/gpio-tegra.h @@ -25,8 +25,6 @@ #define TEGRA_NR_GPIOS INT_GPIO_NR -#define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio)) - struct tegra_gpio_table { int gpio; /* GPIO number */ bool enable; /* Enable for GPIO at init? */ diff --git a/arch/arm/mach-tegra/include/mach/irammap.h b/arch/arm/mach-tegra/include/mach/irammap.h new file mode 100644 index 0000000..0cbe632 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/irammap.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA_IRAMMAP_H +#define __MACH_TEGRA_IRAMMAP_H + +#include <asm/sizes.h> + +/* The first 1K of IRAM is permanently reserved for the CPU reset handler */ +#define TEGRA_IRAM_RESET_HANDLER_OFFSET 0 +#define TEGRA_IRAM_RESET_HANDLER_SIZE SZ_1K + +/* + * These locations are written to by uncompress.h, and read by debug-macro.S. + * The first word holds the cookie value if the data is valid. The second + * word holds the UART physical address. + */ +#define TEGRA_IRAM_DEBUG_UART_OFFSET SZ_1K +#define TEGRA_IRAM_DEBUG_UART_SIZE 8 +#define TEGRA_IRAM_DEBUG_UART_COOKIE 0x55415254 + +#endif diff --git a/arch/arm/mach-tegra/include/mach/uncompress.h b/arch/arm/mach-tegra/include/mach/uncompress.h index 4e83237..5a440f3 100644 --- a/arch/arm/mach-tegra/include/mach/uncompress.h +++ b/arch/arm/mach-tegra/include/mach/uncompress.h @@ -2,10 +2,14 @@ * arch/arm/mach-tegra/include/mach/uncompress.h * * Copyright (C) 2010 Google, Inc. + * Copyright (C) 2011 Google, Inc. + * Copyright (C) 2011-2012 NVIDIA CORPORATION. All Rights Reserved. * * Author: * Colin Cross <ccross@google.com> * Erik Gilling <konkers@google.com> + * Doug Anderson <dianders@chromium.org> + * Stephen Warren <swarren@nvidia.com> * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -25,36 +29,130 @@ #include <linux/serial_reg.h> #include <mach/iomap.h> +#include <mach/irammap.h> + +#define BIT(x) (1 << (x)) +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +#define DEBUG_UART_SHIFT 2 + +volatile u8 *uart; static void putc(int c) { - volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; - int shift = 2; - if (uart == NULL) return; - while (!(uart[UART_LSR << shift] & UART_LSR_THRE)) + while (!(uart[UART_LSR << DEBUG_UART_SHIFT] & UART_LSR_THRE)) barrier(); - uart[UART_TX << shift] = c; + uart[UART_TX << DEBUG_UART_SHIFT] = c; } static inline void flush(void) { } +static inline void save_uart_address(void) +{ + u32 *buf = (u32 *)(TEGRA_IRAM_BASE + TEGRA_IRAM_DEBUG_UART_OFFSET); + + if (uart) { + buf[0] = TEGRA_IRAM_DEBUG_UART_COOKIE; + buf[1] = (u32)uart; + } else + buf[0] = 0; +} + +/* + * Setup before decompression. This is where we do UART selection for + * earlyprintk and init the uart_base register. + */ static inline void arch_decomp_setup(void) { - volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; - int shift = 2; + static const struct { + u32 base; + u32 reset_reg; + u32 clock_reg; + u32 bit; + } uarts[] = { + { + TEGRA_UARTA_BASE, + TEGRA_CLK_RESET_BASE + 0x04, + TEGRA_CLK_RESET_BASE + 0x10, + 6, + }, + { + TEGRA_UARTB_BASE, + TEGRA_CLK_RESET_BASE + 0x04, + TEGRA_CLK_RESET_BASE + 0x10, + 7, + }, + { + TEGRA_UARTC_BASE, + TEGRA_CLK_RESET_BASE + 0x08, + TEGRA_CLK_RESET_BASE + 0x14, + 23, + }, + { + TEGRA_UARTD_BASE, + TEGRA_CLK_RESET_BASE + 0x0c, + TEGRA_CLK_RESET_BASE + 0x18, + 1, + }, + { + TEGRA_UARTE_BASE, + TEGRA_CLK_RESET_BASE + 0x0c, + TEGRA_CLK_RESET_BASE + 0x18, + 2, + }, + }; + int i; + volatile u32 *apb_misc = (volatile u32 *)TEGRA_APB_MISC_BASE; + u32 chip, div; + + /* + * Look for the first UART that: + * a) Is not in reset. + * b) Is clocked. + * c) Has a 'D' in the scratchpad register. + * + * Note that on Tegra30, the first two conditions are required, since + * if not true, accesses to the UART scratch register will hang. + * Tegra20 doesn't have this issue. + * + * The intent is that the bootloader will tell the kernel which UART + * to use by setting up those conditions. If nothing found, we'll fall + * back to what's specified in TEGRA_DEBUG_UART_BASE. + */ + for (i = 0; i < ARRAY_SIZE(uarts); i++) { + if (*(u8 *)uarts[i].reset_reg & BIT(uarts[i].bit)) + continue; + if (!(*(u8 *)uarts[i].clock_reg & BIT(uarts[i].bit))) + continue; + + uart = (volatile u8 *)uarts[i].base; + if (uart[UART_SCR << DEBUG_UART_SHIFT] != 'D') + continue; + + break; + } + if (i == ARRAY_SIZE(uarts)) + uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE; + save_uart_address(); if (uart == NULL) return; - uart[UART_LCR << shift] |= UART_LCR_DLAB; - uart[UART_DLL << shift] = 0x75; - uart[UART_DLM << shift] = 0x0; - uart[UART_LCR << shift] = 3; + chip = (apb_misc[0x804 / 4] >> 8) & 0xff; + if (chip == 0x20) + div = 0x0075; + else + div = 0x00dd; + + uart[UART_LCR << DEBUG_UART_SHIFT] |= UART_LCR_DLAB; + uart[UART_DLL << DEBUG_UART_SHIFT] = div & 0xff; + uart[UART_DLM << DEBUG_UART_SHIFT] = div >> 8; + uart[UART_LCR << DEBUG_UART_SHIFT] = 3; } static inline void arch_decomp_wdog(void) diff --git a/arch/arm/mach-tegra/pmc.c b/arch/arm/mach-tegra/pmc.c new file mode 100644 index 0000000..7af6a54 --- /dev/null +++ b/arch/arm/mach-tegra/pmc.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/of.h> + +#include <mach/iomap.h> + +#define PMC_CTRL 0x0 +#define PMC_CTRL_INTR_LOW (1 << 17) + +static inline u32 tegra_pmc_readl(u32 reg) +{ + return readl(IO_ADDRESS(TEGRA_PMC_BASE + reg)); +} + +static inline void tegra_pmc_writel(u32 val, u32 reg) +{ + writel(val, IO_ADDRESS(TEGRA_PMC_BASE + reg)); +} + +#ifdef CONFIG_OF +static const struct of_device_id matches[] __initconst = { + { .compatible = "nvidia,tegra20-pmc" }, + { } +}; +#endif + +void __init tegra_pmc_init(void) +{ + /* + * For now, Harmony is the only board that uses the PMC, and it wants + * the signal inverted. Seaboard would too if it used the PMC. + * Hopefully by the time other boards want to use the PMC, everything + * will be device-tree, or they also want it inverted. + */ + bool invert_interrupt = true; + u32 val; + +#ifdef CONFIG_OF + if (of_have_populated_dt()) { + struct device_node *np; + + invert_interrupt = false; + + np = of_find_matching_node(NULL, matches); + if (np) { + if (of_find_property(np, "nvidia,invert-interrupt", + NULL)) + invert_interrupt = true; + } + } +#endif + + val = tegra_pmc_readl(PMC_CTRL); + if (invert_interrupt) + val |= PMC_CTRL_INTR_LOW; + else + val &= ~PMC_CTRL_INTR_LOW; + tegra_pmc_writel(val, PMC_CTRL); +} diff --git a/arch/arm/mach-tegra/pmc.h b/arch/arm/mach-tegra/pmc.h new file mode 100644 index 0000000..8995ee4 --- /dev/null +++ b/arch/arm/mach-tegra/pmc.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#ifndef __MACH_TEGRA_PMC_H +#define __MACH_TEGRA_PMC_H + +void tegra_pmc_init(void); + +#endif diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c index 1976e93..592a4ee 100644 --- a/arch/arm/mach-tegra/tegra2_clocks.c +++ b/arch/arm/mach-tegra/tegra2_clocks.c @@ -720,7 +720,7 @@ static void tegra2_pllx_clk_init(struct clk *c) { tegra2_pll_clk_init(c); - if (tegra_sku_id() == 7) + if (tegra_sku_id == 7) c->max_rate = 750000000; } diff --git a/arch/arm/mach-tegra/tegra2_emc.c b/arch/arm/mach-tegra/tegra2_emc.c index 0f7ae6e..5070d83 100644 --- a/arch/arm/mach-tegra/tegra2_emc.c +++ b/arch/arm/mach-tegra/tegra2_emc.c @@ -16,14 +16,19 @@ */ #include <linux/kernel.h> +#include <linux/device.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/platform_data/tegra_emc.h> #include <mach/iomap.h> #include "tegra2_emc.h" +#include "fuse.h" #ifdef CONFIG_TEGRA_EMC_SCALING_ENABLE static bool emc_enable = true; @@ -32,18 +37,17 @@ static bool emc_enable; #endif module_param(emc_enable, bool, 0644); -static void __iomem *emc = IO_ADDRESS(TEGRA_EMC_BASE); -static const struct tegra_emc_table *tegra_emc_table; -static int tegra_emc_table_size; +static struct platform_device *emc_pdev; +static void __iomem *emc_regbase; static inline void emc_writel(u32 val, unsigned long addr) { - writel(val, emc + addr); + writel(val, emc_regbase + addr); } static inline u32 emc_readl(unsigned long addr) { - return readl(emc + addr); + return readl(emc_regbase + addr); } static const unsigned long emc_reg_addr[TEGRA_EMC_NUM_REGS] = { @@ -98,15 +102,15 @@ static const unsigned long emc_reg_addr[TEGRA_EMC_NUM_REGS] = { /* Select the closest EMC rate that is higher than the requested rate */ long tegra_emc_round_rate(unsigned long rate) { + struct tegra_emc_pdata *pdata; int i; int best = -1; unsigned long distance = ULONG_MAX; - if (!tegra_emc_table) + if (!emc_pdev) return -EINVAL; - if (!emc_enable) - return -EINVAL; + pdata = emc_pdev->dev.platform_data; pr_debug("%s: %lu\n", __func__, rate); @@ -116,10 +120,10 @@ long tegra_emc_round_rate(unsigned long rate) */ rate = rate / 2 / 1000; - for (i = 0; i < tegra_emc_table_size; i++) { - if (tegra_emc_table[i].rate >= rate && - (tegra_emc_table[i].rate - rate) < distance) { - distance = tegra_emc_table[i].rate - rate; + for (i = 0; i < pdata->num_tables; i++) { + if (pdata->tables[i].rate >= rate && + (pdata->tables[i].rate - rate) < distance) { + distance = pdata->tables[i].rate - rate; best = i; } } @@ -127,9 +131,9 @@ long tegra_emc_round_rate(unsigned long rate) if (best < 0) return -EINVAL; - pr_debug("%s: using %lu\n", __func__, tegra_emc_table[best].rate); + pr_debug("%s: using %lu\n", __func__, pdata->tables[best].rate); - return tegra_emc_table[best].rate * 2 * 1000; + return pdata->tables[best].rate * 2 * 1000; } /* @@ -142,37 +146,211 @@ long tegra_emc_round_rate(unsigned long rate) */ int tegra_emc_set_rate(unsigned long rate) { + struct tegra_emc_pdata *pdata; int i; int j; - if (!tegra_emc_table) + if (!emc_pdev) return -EINVAL; + pdata = emc_pdev->dev.platform_data; + /* * The EMC clock rate is twice the bus rate, and the bus rate is * measured in kHz */ rate = rate / 2 / 1000; - for (i = 0; i < tegra_emc_table_size; i++) - if (tegra_emc_table[i].rate == rate) + for (i = 0; i < pdata->num_tables; i++) + if (pdata->tables[i].rate == rate) break; - if (i >= tegra_emc_table_size) + if (i >= pdata->num_tables) return -EINVAL; pr_debug("%s: setting to %lu\n", __func__, rate); for (j = 0; j < TEGRA_EMC_NUM_REGS; j++) - emc_writel(tegra_emc_table[i].regs[j], emc_reg_addr[j]); + emc_writel(pdata->tables[i].regs[j], emc_reg_addr[j]); - emc_readl(tegra_emc_table[i].regs[TEGRA_EMC_NUM_REGS - 1]); + emc_readl(pdata->tables[i].regs[TEGRA_EMC_NUM_REGS - 1]); return 0; } -void tegra_init_emc(const struct tegra_emc_table *table, int table_size) +#ifdef CONFIG_OF +static struct device_node *tegra_emc_ramcode_devnode(struct device_node *np) +{ + struct device_node *iter; + u32 reg; + + for_each_child_of_node(np, iter) { + if (of_property_read_u32(np, "nvidia,ram-code", ®)) + continue; + if (reg == tegra_bct_strapping) + return of_node_get(iter); + } + + return NULL; +} + +static struct tegra_emc_pdata *tegra_emc_dt_parse_pdata( + struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct device_node *tnp, *iter; + struct tegra_emc_pdata *pdata; + int ret, i, num_tables; + + if (!np) + return NULL; + + if (of_find_property(np, "nvidia,use-ram-code", NULL)) { + tnp = tegra_emc_ramcode_devnode(np); + if (!tnp) + dev_warn(&pdev->dev, + "can't find emc table for ram-code 0x%02x\n", + tegra_bct_strapping); + } else + tnp = of_node_get(np); + + if (!tnp) + return NULL; + + num_tables = 0; + for_each_child_of_node(tnp, iter) + if (of_device_is_compatible(iter, "nvidia,tegra20-emc-table")) + num_tables++; + + if (!num_tables) { + pdata = NULL; + goto out; + } + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + pdata->tables = devm_kzalloc(&pdev->dev, + sizeof(*pdata->tables) * num_tables, + GFP_KERNEL); + + i = 0; + for_each_child_of_node(tnp, iter) { + u32 prop; + + ret = of_property_read_u32(iter, "clock-frequency", &prop); + if (ret) { + dev_err(&pdev->dev, "no clock-frequency in %s\n", + iter->full_name); + continue; + } + pdata->tables[i].rate = prop; + + ret = of_property_read_u32_array(iter, "nvidia,emc-registers", + pdata->tables[i].regs, + TEGRA_EMC_NUM_REGS); + if (ret) { + dev_err(&pdev->dev, + "malformed emc-registers property in %s\n", + iter->full_name); + continue; + } + + i++; + } + pdata->num_tables = i; + +out: + of_node_put(tnp); + return pdata; +} +#else +static struct tegra_emc_pdata *tegra_emc_dt_parse_pdata( + struct platform_device *pdev) +{ + return NULL; +} +#endif + +static struct tegra_emc_pdata __devinit *tegra_emc_fill_pdata(struct platform_device *pdev) +{ + struct clk *c = clk_get_sys(NULL, "emc"); + struct tegra_emc_pdata *pdata; + unsigned long khz; + int i; + + WARN_ON(pdev->dev.platform_data); + BUG_ON(IS_ERR_OR_NULL(c)); + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + pdata->tables = devm_kzalloc(&pdev->dev, sizeof(*pdata->tables), + GFP_KERNEL); + + pdata->tables[0].rate = clk_get_rate(c) / 2 / 1000; + + for (i = 0; i < TEGRA_EMC_NUM_REGS; i++) + pdata->tables[0].regs[i] = emc_readl(emc_reg_addr[i]); + + pdata->num_tables = 1; + + khz = pdata->tables[0].rate; + dev_info(&pdev->dev, "no tables provided, using %ld kHz emc, " + "%ld kHz mem\n", khz * 2, khz); + + return pdata; +} + +static int __devinit tegra_emc_probe(struct platform_device *pdev) +{ + struct tegra_emc_pdata *pdata; + struct resource *res; + + if (!emc_enable) { + dev_err(&pdev->dev, "disabled per module parameter\n"); + return -ENODEV; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "missing register base\n"); + return -ENOMEM; + } + + emc_regbase = devm_request_and_ioremap(&pdev->dev, res); + if (!emc_regbase) { + dev_err(&pdev->dev, "failed to remap registers\n"); + return -ENOMEM; + } + + pdata = pdev->dev.platform_data; + + if (!pdata) + pdata = tegra_emc_dt_parse_pdata(pdev); + + if (!pdata) + pdata = tegra_emc_fill_pdata(pdev); + + pdev->dev.platform_data = pdata; + + emc_pdev = pdev; + + return 0; +} + +static struct of_device_id tegra_emc_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra20-emc", }, + { }, +}; + +static struct platform_driver tegra_emc_driver = { + .driver = { + .name = "tegra-emc", + .owner = THIS_MODULE, + .of_match_table = tegra_emc_of_match, + }, + .probe = tegra_emc_probe, +}; + +static int __init tegra_emc_init(void) { - tegra_emc_table = table; - tegra_emc_table_size = table_size; + return platform_driver_register(&tegra_emc_driver); } +device_initcall(tegra_emc_init); diff --git a/arch/arm/mach-tegra/tegra2_emc.h b/arch/arm/mach-tegra/tegra2_emc.h index 19f08cb..f61409b 100644 --- a/arch/arm/mach-tegra/tegra2_emc.h +++ b/arch/arm/mach-tegra/tegra2_emc.h @@ -15,13 +15,10 @@ * */ -#define TEGRA_EMC_NUM_REGS 46 - -struct tegra_emc_table { - unsigned long rate; - u32 regs[TEGRA_EMC_NUM_REGS]; -}; +#ifndef __MACH_TEGRA_TEGRA2_EMC_H_ +#define __MACH_TEGRA_TEGRA2_EMC_H int tegra_emc_set_rate(unsigned long rate); long tegra_emc_round_rate(unsigned long rate); -void tegra_init_emc(const struct tegra_emc_table *table, int table_size); + +#endif diff --git a/arch/arm/plat-mxc/devices/platform-ahci-imx.c b/arch/arm/plat-mxc/devices/platform-ahci-imx.c index d8a56ae..ade4a1c 100644 --- a/arch/arm/plat-mxc/devices/platform-ahci-imx.c +++ b/arch/arm/plat-mxc/devices/platform-ahci-imx.c @@ -60,9 +60,9 @@ static int imx_sata_init(struct device *dev, void __iomem *addr) dev_err(dev, "no sata clock.\n"); return PTR_ERR(sata_clk); } - ret = clk_enable(sata_clk); + ret = clk_prepare_enable(sata_clk); if (ret) { - dev_err(dev, "can't enable sata clock.\n"); + dev_err(dev, "can't prepare/enable sata clock.\n"); goto put_sata_clk; } @@ -73,9 +73,9 @@ static int imx_sata_init(struct device *dev, void __iomem *addr) ret = PTR_ERR(sata_ref_clk); goto release_sata_clk; } - ret = clk_enable(sata_ref_clk); + ret = clk_prepare_enable(sata_ref_clk); if (ret) { - dev_err(dev, "can't enable sata ref clock.\n"); + dev_err(dev, "can't prepare/enable sata ref clock.\n"); goto put_sata_ref_clk; } @@ -104,11 +104,11 @@ static int imx_sata_init(struct device *dev, void __iomem *addr) return 0; release_sata_ref_clk: - clk_disable(sata_ref_clk); + clk_disable_unprepare(sata_ref_clk); put_sata_ref_clk: clk_put(sata_ref_clk); release_sata_clk: - clk_disable(sata_clk); + clk_disable_unprepare(sata_clk); put_sata_clk: clk_put(sata_clk); @@ -117,10 +117,10 @@ put_sata_clk: static void imx_sata_exit(struct device *dev) { - clk_disable(sata_ref_clk); + clk_disable_unprepare(sata_ref_clk); clk_put(sata_ref_clk); - clk_disable(sata_clk); + clk_disable_unprepare(sata_clk); clk_put(sata_clk); } diff --git a/arch/arm/plat-mxc/epit.c b/arch/arm/plat-mxc/epit.c index d3467f8..9129c9e 100644 --- a/arch/arm/plat-mxc/epit.c +++ b/arch/arm/plat-mxc/epit.c @@ -203,7 +203,7 @@ static int __init epit_clockevent_init(struct clk *timer_clk) void __init epit_timer_init(struct clk *timer_clk, void __iomem *base, int irq) { - clk_enable(timer_clk); + clk_prepare_enable(timer_clk); timer_base = base; diff --git a/arch/arm/plat-mxc/include/mach/board-mx31ads.h b/arch/arm/plat-mxc/include/mach/board-mx31ads.h deleted file mode 100644 index 94b60dd4..0000000 --- a/arch/arm/plat-mxc/include/mach/board-mx31ads.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARCH_MXC_BOARD_MX31ADS_H__ -#define __ASM_ARCH_MXC_BOARD_MX31ADS_H__ - -#include <mach/hardware.h> - -/* - * These symbols are used by drivers/net/cs89x0.c. - * This is ugly as hell, but we have to provide them until - * someone fixed the driver. - */ - -/* Base address of PBC controller */ -#define PBC_BASE_ADDRESS MX31_CS4_BASE_ADDR_VIRT -/* Offsets for the PBC Controller register */ - -/* Ethernet Controller IO base address */ -#define PBC_CS8900A_IOBASE 0x020000 - -#define MXC_EXP_IO_BASE (MXC_BOARD_IRQ_START) - -#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8) - -#endif /* __ASM_ARCH_MXC_BOARD_MX31ADS_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S index 6e192c4..8ddda36 100644 --- a/arch/arm/plat-mxc/include/mach/debug-macro.S +++ b/arch/arm/plat-mxc/include/mach/debug-macro.S @@ -24,7 +24,7 @@ #define UART_PADDR MX51_UART1_BASE_ADDR #elif defined (CONFIG_DEBUG_IMX50_IMX53_UART) #define UART_PADDR MX53_UART1_BASE_ADDR -#elif defined (CONFIG_DEBUG_IMX6Q_UART) +#elif defined (CONFIG_DEBUG_IMX6Q_UART4) #define UART_PADDR MX6Q_UART4_BASE_ADDR #endif diff --git a/arch/arm/plat-mxc/include/mach/dma.h b/arch/arm/plat-mxc/include/mach/dma.h index 233d0a5..1b90803 100644 --- a/arch/arm/plat-mxc/include/mach/dma.h +++ b/arch/arm/plat-mxc/include/mach/dma.h @@ -60,8 +60,7 @@ static inline int imx_dma_is_ipu(struct dma_chan *chan) static inline int imx_dma_is_general_purpose(struct dma_chan *chan) { - return !strcmp(dev_name(chan->device->dev), "imx31-sdma") || - !strcmp(dev_name(chan->device->dev), "imx35-sdma") || + return strstr(dev_name(chan->device->dev), "sdma") || !strcmp(dev_name(chan->device->dev), "imx-dma"); } diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c index e032717..c0cab22 100644 --- a/arch/arm/plat-mxc/pwm.c +++ b/arch/arm/plat-mxc/pwm.c @@ -132,7 +132,7 @@ int pwm_enable(struct pwm_device *pwm) int rc = 0; if (!pwm->clk_enabled) { - rc = clk_enable(pwm->clk); + rc = clk_prepare_enable(pwm->clk); if (!rc) pwm->clk_enabled = 1; } @@ -145,7 +145,7 @@ void pwm_disable(struct pwm_device *pwm) writel(0, pwm->mmio_base + MX3_PWMCR); if (pwm->clk_enabled) { - clk_disable(pwm->clk); + clk_disable_unprepare(pwm->clk); pwm->clk_enabled = 0; } } diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c index 3599bf2..f30dcac 100644 --- a/arch/arm/plat-mxc/system.c +++ b/arch/arm/plat-mxc/system.c @@ -48,7 +48,7 @@ void mxc_restart(char mode, const char *cmd) clk = clk_get_sys("imx2-wdt.0", NULL); if (!IS_ERR(clk)) - clk_enable(clk); + clk_prepare_enable(clk); wcr_enable = (1 << 2); } diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c index 1c96cdb..7daf7c9 100644 --- a/arch/arm/plat-mxc/time.c +++ b/arch/arm/plat-mxc/time.c @@ -283,7 +283,7 @@ void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq) { uint32_t tctl_val; - clk_enable(timer_clk); + clk_prepare_enable(timer_clk); timer_base = base; diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index 6470101..9e8e63d 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -484,7 +484,6 @@ struct omap_hwmod_class { * @main_clk: main clock: OMAP clock name * @_clk: pointer to the main struct clk (filled in at runtime) * @opt_clks: other device clocks that drivers can request (0..*) - * @vdd_name: voltage domain name * @voltdm: pointer to voltage domain (filled in at runtime) * @masters: ptr to array of OCP ifs that this hwmod can initiate on * @slaves: ptr to array of OCP ifs that this hwmod can respond on @@ -528,7 +527,6 @@ struct omap_hwmod { struct omap_hwmod_opt_clk *opt_clks; char *clkdm_name; struct clockdomain *clkdm; - char *vdd_name; struct omap_hwmod_ocp_if **masters; /* connect to *_IA */ struct omap_hwmod_ocp_if **slaves; /* connect to *_TA */ void *dev_attr; diff --git a/arch/arm/plat-samsung/include/plat/dma-pl330.h b/arch/arm/plat-samsung/include/plat/dma-pl330.h index c5eaad5..0670f37 100644 --- a/arch/arm/plat-samsung/include/plat/dma-pl330.h +++ b/arch/arm/plat-samsung/include/plat/dma-pl330.h @@ -82,6 +82,22 @@ enum dma_ch { DMACH_SLIMBUS4_TX, DMACH_SLIMBUS5_RX, DMACH_SLIMBUS5_TX, + DMACH_MIPI_HSI0, + DMACH_MIPI_HSI1, + DMACH_MIPI_HSI2, + DMACH_MIPI_HSI3, + DMACH_MIPI_HSI4, + DMACH_MIPI_HSI5, + DMACH_MIPI_HSI6, + DMACH_MIPI_HSI7, + DMACH_MTOM_0, + DMACH_MTOM_1, + DMACH_MTOM_2, + DMACH_MTOM_3, + DMACH_MTOM_4, + DMACH_MTOM_5, + DMACH_MTOM_6, + DMACH_MTOM_7, /* END Marker, also used to denote a reserved channel */ DMACH_MAX, }; diff --git a/arch/arm/plat-samsung/include/plat/regs-rtc.h b/arch/arm/plat-samsung/include/plat/regs-rtc.h index 30b7cc1..0f8263e 100644 --- a/arch/arm/plat-samsung/include/plat/regs-rtc.h +++ b/arch/arm/plat-samsung/include/plat/regs-rtc.h @@ -18,51 +18,54 @@ #define S3C2410_INTP_ALM (1 << 1) #define S3C2410_INTP_TIC (1 << 0) -#define S3C2410_RTCCON S3C2410_RTCREG(0x40) -#define S3C2410_RTCCON_RTCEN (1<<0) -#define S3C2410_RTCCON_CLKSEL (1<<1) -#define S3C2410_RTCCON_CNTSEL (1<<2) -#define S3C2410_RTCCON_CLKRST (1<<3) -#define S3C64XX_RTCCON_TICEN (1<<8) +#define S3C2410_RTCCON S3C2410_RTCREG(0x40) +#define S3C2410_RTCCON_RTCEN (1 << 0) +#define S3C2410_RTCCON_CNTSEL (1 << 2) +#define S3C2410_RTCCON_CLKRST (1 << 3) +#define S3C2443_RTCCON_TICSEL (1 << 4) +#define S3C64XX_RTCCON_TICEN (1 << 8) -#define S3C64XX_RTCCON_TICMSK (0xF<<7) -#define S3C64XX_RTCCON_TICSHT (7) +#define S3C2410_TICNT S3C2410_RTCREG(0x44) +#define S3C2410_TICNT_ENABLE (1 << 7) -#define S3C2410_TICNT S3C2410_RTCREG(0x44) -#define S3C2410_TICNT_ENABLE (1<<7) +/* S3C2443: tick count is 15 bit wide + * TICNT[6:0] contains upper 7 bits + * TICNT1[7:0] contains lower 8 bits + */ +#define S3C2443_TICNT_PART(x) ((x & 0x7f00) >> 8) +#define S3C2443_TICNT1 S3C2410_RTCREG(0x4C) +#define S3C2443_TICNT1_PART(x) (x & 0xff) -#define S3C2410_RTCALM S3C2410_RTCREG(0x50) -#define S3C2410_RTCALM_ALMEN (1<<6) -#define S3C2410_RTCALM_YEAREN (1<<5) -#define S3C2410_RTCALM_MONEN (1<<4) -#define S3C2410_RTCALM_DAYEN (1<<3) -#define S3C2410_RTCALM_HOUREN (1<<2) -#define S3C2410_RTCALM_MINEN (1<<1) -#define S3C2410_RTCALM_SECEN (1<<0) +/* S3C2416: tick count is 32 bit wide + * TICNT[6:0] contains bits [14:8] + * TICNT1[7:0] contains lower 8 bits + * TICNT2[16:0] contains upper 17 bits + */ +#define S3C2416_TICNT2 S3C2410_RTCREG(0x48) +#define S3C2416_TICNT2_PART(x) ((x & 0xffff8000) >> 15) -#define S3C2410_RTCALM_ALL \ - S3C2410_RTCALM_ALMEN | S3C2410_RTCALM_YEAREN | S3C2410_RTCALM_MONEN |\ - S3C2410_RTCALM_DAYEN | S3C2410_RTCALM_HOUREN | S3C2410_RTCALM_MINEN |\ - S3C2410_RTCALM_SECEN +#define S3C2410_RTCALM S3C2410_RTCREG(0x50) +#define S3C2410_RTCALM_ALMEN (1 << 6) +#define S3C2410_RTCALM_YEAREN (1 << 5) +#define S3C2410_RTCALM_MONEN (1 << 4) +#define S3C2410_RTCALM_DAYEN (1 << 3) +#define S3C2410_RTCALM_HOUREN (1 << 2) +#define S3C2410_RTCALM_MINEN (1 << 1) +#define S3C2410_RTCALM_SECEN (1 << 0) +#define S3C2410_ALMSEC S3C2410_RTCREG(0x54) +#define S3C2410_ALMMIN S3C2410_RTCREG(0x58) +#define S3C2410_ALMHOUR S3C2410_RTCREG(0x5c) -#define S3C2410_ALMSEC S3C2410_RTCREG(0x54) -#define S3C2410_ALMMIN S3C2410_RTCREG(0x58) -#define S3C2410_ALMHOUR S3C2410_RTCREG(0x5c) - -#define S3C2410_ALMDATE S3C2410_RTCREG(0x60) -#define S3C2410_ALMMON S3C2410_RTCREG(0x64) -#define S3C2410_ALMYEAR S3C2410_RTCREG(0x68) - -#define S3C2410_RTCRST S3C2410_RTCREG(0x6c) - -#define S3C2410_RTCSEC S3C2410_RTCREG(0x70) -#define S3C2410_RTCMIN S3C2410_RTCREG(0x74) -#define S3C2410_RTCHOUR S3C2410_RTCREG(0x78) -#define S3C2410_RTCDATE S3C2410_RTCREG(0x7c) -#define S3C2410_RTCDAY S3C2410_RTCREG(0x80) -#define S3C2410_RTCMON S3C2410_RTCREG(0x84) -#define S3C2410_RTCYEAR S3C2410_RTCREG(0x88) +#define S3C2410_ALMDATE S3C2410_RTCREG(0x60) +#define S3C2410_ALMMON S3C2410_RTCREG(0x64) +#define S3C2410_ALMYEAR S3C2410_RTCREG(0x68) +#define S3C2410_RTCSEC S3C2410_RTCREG(0x70) +#define S3C2410_RTCMIN S3C2410_RTCREG(0x74) +#define S3C2410_RTCHOUR S3C2410_RTCREG(0x78) +#define S3C2410_RTCDATE S3C2410_RTCREG(0x7c) +#define S3C2410_RTCMON S3C2410_RTCREG(0x84) +#define S3C2410_RTCYEAR S3C2410_RTCREG(0x88) #endif /* __ASM_ARCH_REGS_RTC_H */ diff --git a/arch/arm/plat-samsung/include/plat/rtc-core.h b/arch/arm/plat-samsung/include/plat/rtc-core.h new file mode 100644 index 0000000..21d8594 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/rtc-core.h @@ -0,0 +1,27 @@ +/* linux/arch/arm/plat-samsung/include/plat/rtc-core.h + * + * Copyright (c) 2011 Heiko Stuebner <heiko@sntech.de> + * + * Samsung RTC Controller core functions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_PLAT_RTC_CORE_H +#define __ASM_PLAT_RTC_CORE_H __FILE__ + +/* These functions are only for use with the core support code, such as + * the cpu specific initialisation code + */ + +/* re-define device name depending on support. */ +static inline void s3c_rtc_setname(char *name) +{ +#if defined(CONFIG_SAMSUNG_DEV_RTC) || defined(CONFIG_PLAT_S3C24XX) + s3c_device_rtc.name = name; +#endif +} + +#endif /* __ASM_PLAT_RTC_CORE_H */ diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h index f82f888..317e246 100644 --- a/arch/arm/plat-samsung/include/plat/sdhci.h +++ b/arch/arm/plat-samsung/include/plat/sdhci.h @@ -40,6 +40,7 @@ enum clk_types { * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI * @max_width: The maximum number of data bits supported. * @host_caps: Standard MMC host capabilities bit field. + * @host_caps2: The second standard MMC host capabilities bit field. * @cd_type: Type of Card Detection method (see cd_types enum above) * @clk_type: Type of clock divider method (see clk_types enum above) * @ext_cd_init: Initialize external card detect subsystem. Called on @@ -63,6 +64,7 @@ enum clk_types { struct s3c_sdhci_platdata { unsigned int max_width; unsigned int host_caps; + unsigned int host_caps2; unsigned int pm_caps; enum cd_types cd_type; enum clk_types clk_type; diff --git a/arch/arm/plat-samsung/platformdata.c b/arch/arm/plat-samsung/platformdata.c index 0f70718..fa78aa7 100644 --- a/arch/arm/plat-samsung/platformdata.c +++ b/arch/arm/plat-samsung/platformdata.c @@ -53,6 +53,8 @@ void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd, set->cfg_gpio = pd->cfg_gpio; if (pd->host_caps) set->host_caps |= pd->host_caps; + if (pd->host_caps2) + set->host_caps2 |= pd->host_caps2; if (pd->pm_caps) set->pm_caps |= pd->pm_caps; if (pd->clk_type) diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index bdc2937..6f17671 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -25,6 +25,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/module.h> +#include <linux/irqdomain.h> #include <asm/mach/irq.h> @@ -74,9 +75,10 @@ struct tegra_gpio_bank { #endif }; - +static struct irq_domain *irq_domain; static void __iomem *regs; -static struct tegra_gpio_bank tegra_gpio_banks[7]; +static u32 tegra_gpio_bank_count; +static struct tegra_gpio_bank *tegra_gpio_banks; static inline void tegra_gpio_writel(u32 val, u32 reg) { @@ -139,7 +141,7 @@ static int tegra_gpio_direction_output(struct gpio_chip *chip, unsigned offset, static int tegra_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - return TEGRA_GPIO_TO_IRQ(offset); + return irq_find_mapping(irq_domain, offset); } static struct gpio_chip tegra_gpio_chip = { @@ -155,28 +157,28 @@ static struct gpio_chip tegra_gpio_chip = { static void tegra_gpio_irq_ack(struct irq_data *d) { - int gpio = d->irq - INT_GPIO_BASE; + int gpio = d->hwirq; tegra_gpio_writel(1 << GPIO_BIT(gpio), GPIO_INT_CLR(gpio)); } static void tegra_gpio_irq_mask(struct irq_data *d) { - int gpio = d->irq - INT_GPIO_BASE; + int gpio = d->hwirq; tegra_gpio_mask_write(GPIO_MSK_INT_ENB(gpio), gpio, 0); } static void tegra_gpio_irq_unmask(struct irq_data *d) { - int gpio = d->irq - INT_GPIO_BASE; + int gpio = d->hwirq; tegra_gpio_mask_write(GPIO_MSK_INT_ENB(gpio), gpio, 1); } static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type) { - int gpio = d->irq - INT_GPIO_BASE; + int gpio = d->hwirq; struct tegra_gpio_bank *bank = irq_data_get_irq_chip_data(d); int port = GPIO_PORT(gpio); int lvl_type; @@ -273,7 +275,7 @@ void tegra_gpio_resume(void) local_irq_save(flags); - for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) { + for (b = 0; b < tegra_gpio_bank_count; b++) { struct tegra_gpio_bank *bank = &tegra_gpio_banks[b]; for (p = 0; p < ARRAY_SIZE(bank->oe); p++) { @@ -296,7 +298,7 @@ void tegra_gpio_suspend(void) int p; local_irq_save(flags); - for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) { + for (b = 0; b < tegra_gpio_bank_count; b++) { struct tegra_gpio_bank *bank = &tegra_gpio_banks[b]; for (p = 0; p < ARRAY_SIZE(bank->oe); p++) { @@ -337,13 +339,44 @@ static struct lock_class_key gpio_lock_class; static int __devinit tegra_gpio_probe(struct platform_device *pdev) { + int irq_base; struct resource *res; struct tegra_gpio_bank *bank; int gpio; int i; int j; - for (i = 0; i < ARRAY_SIZE(tegra_gpio_banks); i++) { + for (;;) { + res = platform_get_resource(pdev, IORESOURCE_IRQ, tegra_gpio_bank_count); + if (!res) + break; + tegra_gpio_bank_count++; + } + if (!tegra_gpio_bank_count) { + dev_err(&pdev->dev, "Missing IRQ resource\n"); + return -ENODEV; + } + + tegra_gpio_chip.ngpio = tegra_gpio_bank_count * 32; + + tegra_gpio_banks = devm_kzalloc(&pdev->dev, + tegra_gpio_bank_count * sizeof(*tegra_gpio_banks), + GFP_KERNEL); + if (!tegra_gpio_banks) { + dev_err(&pdev->dev, "Couldn't allocate bank structure\n"); + return -ENODEV; + } + + irq_base = irq_alloc_descs(-1, 0, tegra_gpio_chip.ngpio, 0); + if (irq_base < 0) { + dev_err(&pdev->dev, "Couldn't allocate IRQ numbers\n"); + return -ENODEV; + } + irq_domain = irq_domain_add_legacy(pdev->dev.of_node, + tegra_gpio_chip.ngpio, irq_base, 0, + &irq_domain_simple_ops, NULL); + + for (i = 0; i < tegra_gpio_bank_count; i++) { res = platform_get_resource(pdev, IORESOURCE_IRQ, i); if (!res) { dev_err(&pdev->dev, "Missing IRQ resource\n"); @@ -380,8 +413,8 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev) gpiochip_add(&tegra_gpio_chip); - for (gpio = 0; gpio < TEGRA_NR_GPIOS; gpio++) { - int irq = TEGRA_GPIO_TO_IRQ(gpio); + for (gpio = 0; gpio < tegra_gpio_chip.ngpio; gpio++) { + int irq = irq_find_mapping(irq_domain, gpio); /* No validity check; all Tegra GPIOs are valid IRQs */ bank = &tegra_gpio_banks[GPIO_BANK(gpio)]; @@ -393,7 +426,7 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev) set_irq_flags(irq, IRQF_VALID); } - for (i = 0; i < ARRAY_SIZE(tegra_gpio_banks); i++) { + for (i = 0; i < tegra_gpio_bank_count; i++) { bank = &tegra_gpio_banks[i]; irq_set_chained_handler(bank->irq, tegra_gpio_irq_handler); diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 124d9c5..dfb84b7 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -191,7 +191,7 @@ static int i2c_imx_start(struct imx_i2c_struct *i2c_imx) dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - clk_enable(i2c_imx->clk); + clk_prepare_enable(i2c_imx->clk); writeb(i2c_imx->ifdr, i2c_imx->base + IMX_I2C_IFDR); /* Enable I2C controller */ writeb(0, i2c_imx->base + IMX_I2C_I2SR); @@ -240,7 +240,7 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx) /* Disable I2C controller */ writeb(0, i2c_imx->base + IMX_I2C_I2CR); - clk_disable(i2c_imx->clk); + clk_disable_unprepare(i2c_imx->clk); } static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 0be4e20..6193a0d 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -464,7 +464,7 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) err = PTR_ERR(clk); goto err_clk_get; } - clk_enable(clk); + clk_prepare_enable(clk); pltfm_host->clk = clk; if (!is_imx25_esdhc(imx_data)) @@ -559,7 +559,7 @@ no_card_detect_irq: gpio_free(boarddata->wp_gpio); no_card_detect_pin: no_board_data: - clk_disable(pltfm_host->clk); + clk_disable_unprepare(pltfm_host->clk); clk_put(pltfm_host->clk); err_clk_get: kfree(imx_data); @@ -586,7 +586,7 @@ static int __devexit sdhci_esdhc_imx_remove(struct platform_device *pdev) gpio_free(boarddata->cd_gpio); } - clk_disable(pltfm_host->clk); + clk_disable_unprepare(pltfm_host->clk); clk_put(pltfm_host->clk); kfree(imx_data); diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 1af756e..b19e7d4 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -518,9 +518,6 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT) host->mmc->caps = MMC_CAP_NONREMOVABLE; - if (pdata->host_caps) - host->mmc->caps |= pdata->host_caps; - if (pdata->pm_caps) host->mmc->pm_caps |= pdata->pm_caps; @@ -544,6 +541,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) if (pdata->host_caps) host->mmc->caps |= pdata->host_caps; + if (pdata->host_caps2) + host->mmc->caps2 |= pdata->host_caps2; + ret = sdhci_add_host(host); if (ret) { dev_err(dev, "sdhci_add_host() failed\n"); diff --git a/drivers/net/Space.c b/drivers/net/Space.c index 068c356..88bbd8f 100644 --- a/drivers/net/Space.c +++ b/drivers/net/Space.c @@ -190,8 +190,10 @@ static struct devprobe2 isa_probes[] __initdata = { {seeq8005_probe, 0}, #endif #ifdef CONFIG_CS89x0 +#ifndef CONFIG_CS89x0_PLATFORM {cs89x0_probe, 0}, #endif +#endif #ifdef CONFIG_AT1700 {at1700_probe, 0}, #endif diff --git a/drivers/net/ethernet/cirrus/Kconfig b/drivers/net/ethernet/cirrus/Kconfig index 1f8648f..8388e36 100644 --- a/drivers/net/ethernet/cirrus/Kconfig +++ b/drivers/net/ethernet/cirrus/Kconfig @@ -5,8 +5,7 @@ config NET_VENDOR_CIRRUS bool "Cirrus devices" default y - depends on ISA || EISA || MACH_IXDP2351 || ARCH_IXDP2X01 \ - || MACH_MX31ADS || MACH_QQ2440 || (ARM && ARCH_EP93XX) || MAC + depends on ISA || EISA || ARM || MAC ---help--- If you have a network (Ethernet) card belonging to this class, say Y and read the Ethernet-HOWTO, available from @@ -21,8 +20,7 @@ if NET_VENDOR_CIRRUS config CS89x0 tristate "CS89x0 support" - depends on (ISA || EISA || MACH_IXDP2351 \ - || ARCH_IXDP2X01 || MACH_MX31ADS || MACH_QQ2440) + depends on ISA || EISA || ARM ---help--- Support for CS89x0 chipset based Ethernet cards. If you have a network (Ethernet) card of this type, say Y and read the @@ -33,10 +31,15 @@ config CS89x0 To compile this driver as a module, choose M here. The module will be called cs89x0. -config CS89x0_NONISA_IRQ - def_bool y - depends on CS89x0 != n - depends on MACH_IXDP2351 || ARCH_IXDP2X01 || MACH_MX31ADS || MACH_QQ2440 +config CS89x0_PLATFORM + bool "CS89x0 platform driver support" + depends on CS89x0 + help + Say Y to compile the cs89x0 driver as a platform driver. This + makes this driver suitable for use on certain evaluation boards + such as the iMX21ADS. + + If you are unsure, say N. config EP93XX_ETH tristate "EP93xx Ethernet support" diff --git a/drivers/net/ethernet/cirrus/cs89x0.c b/drivers/net/ethernet/cirrus/cs89x0.c index d5ff936..30fee42 100644 --- a/drivers/net/ethernet/cirrus/cs89x0.c +++ b/drivers/net/ethernet/cirrus/cs89x0.c @@ -100,9 +100,6 @@ */ -/* Always include 'config.h' first in case the user wants to turn on - or override something. */ -#include <linux/module.h> /* * Set this to zero to disable DMA code @@ -131,9 +128,12 @@ */ +#include <linux/module.h> +#include <linux/printk.h> #include <linux/errno.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> +#include <linux/platform_device.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/fcntl.h> @@ -151,6 +151,7 @@ #include <asm/system.h> #include <asm/io.h> #include <asm/irq.h> +#include <linux/atomic.h> #if ALLOW_DMA #include <asm/dma.h> #endif @@ -174,26 +175,20 @@ static char version[] __initdata = them to system IRQ numbers. This mapping is card specific and is set to the configuration of the Cirrus Eval board for this chip. */ #if defined(CONFIG_MACH_IXDP2351) +#define CS89x0_NONISA_IRQ static unsigned int netcard_portlist[] __used __initdata = {IXDP2351_VIRT_CS8900_BASE, 0}; static unsigned int cs8900_irq_map[] = {IRQ_IXDP2351_CS8900, 0, 0, 0}; #elif defined(CONFIG_ARCH_IXDP2X01) +#define CS89x0_NONISA_IRQ static unsigned int netcard_portlist[] __used __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0}; static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0}; -#elif defined(CONFIG_MACH_QQ2440) -#include <mach/qq2440.h> -static unsigned int netcard_portlist[] __used __initdata = { QQ2440_CS8900_VIRT_BASE + 0x300, 0 }; -static unsigned int cs8900_irq_map[] = { QQ2440_CS8900_IRQ, 0, 0, 0 }; -#elif defined(CONFIG_MACH_MX31ADS) -#include <mach/board-mx31ads.h> -static unsigned int netcard_portlist[] __used __initdata = { - PBC_BASE_ADDRESS + PBC_CS8900A_IOBASE + 0x300, 0 -}; -static unsigned cs8900_irq_map[] = {EXPIO_INT_ENET_INT, 0, 0, 0}; #else +#ifndef CONFIG_CS89x0_PLATFORM static unsigned int netcard_portlist[] __used __initdata = { 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0}; static unsigned int cs8900_irq_map[] = {10,11,12,5}; #endif +#endif #if DEBUGGING static unsigned int net_debug = DEBUGGING; @@ -236,11 +231,16 @@ struct net_local { unsigned char *end_dma_buff; /* points to the end of the buffer */ unsigned char *rx_dma_ptr; /* points to the next packet */ #endif +#ifdef CONFIG_CS89x0_PLATFORM + void __iomem *virt_addr;/* Virtual address for accessing the CS89x0. */ + unsigned long phys_addr;/* Physical address for accessing the CS89x0. */ + unsigned long size; /* Length of CS89x0 memory region. */ +#endif }; /* Index to functions, as function prototypes. */ -static int cs89x0_probe1(struct net_device *dev, int ioaddr, int modular); +static int cs89x0_probe1(struct net_device *dev, unsigned long ioaddr, int modular); static int net_open(struct net_device *dev); static netdev_tx_t net_send_packet(struct sk_buff *skb, struct net_device *dev); static irqreturn_t net_interrupt(int irq, void *dev_id); @@ -294,6 +294,7 @@ static int __init media_fn(char *str) __setup("cs89x0_media=", media_fn); +#ifndef CONFIG_CS89x0_PLATFORM /* Check for a network adaptor of this type, and return '0' iff one exists. If dev->base_addr == 0, probe all likely locations. If dev->base_addr == 1, always return failure. @@ -343,6 +344,7 @@ out: return ERR_PTR(err); } #endif +#endif #if defined(CONFIG_MACH_IXDP2351) static u16 @@ -504,7 +506,7 @@ static const struct net_device_ops net_ops = { */ static int __init -cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) +cs89x0_probe1(struct net_device *dev, unsigned long ioaddr, int modular) { struct net_local *lp = netdev_priv(dev); static unsigned version_printed; @@ -529,15 +531,12 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) lp->force = g_cs89x0_media__force; #endif -#if defined(CONFIG_MACH_QQ2440) - lp->force |= FORCE_RJ45 | FORCE_FULL; -#endif } /* Grab the region so we can find another board if autoIRQ fails. */ /* WTF is going on here? */ if (!request_region(ioaddr & ~3, NETCARD_IO_EXTENT, DRV_NAME)) { - printk(KERN_ERR "%s: request_region(0x%x, 0x%x) failed\n", + printk(KERN_ERR "%s: request_region(0x%lx, 0x%x) failed\n", DRV_NAME, ioaddr, NETCARD_IO_EXTENT); retval = -EBUSY; goto out1; @@ -549,7 +548,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) will skip the test for the ADD_PORT. */ if (ioaddr & 1) { if (net_debug > 1) - printk(KERN_INFO "%s: odd ioaddr 0x%x\n", dev->name, ioaddr); + printk(KERN_INFO "%s: odd ioaddr 0x%lx\n", dev->name, ioaddr); if ((ioaddr & 2) != 2) if ((readword(ioaddr & ~3, ADD_PORT) & ADD_MASK) != ADD_SIG) { printk(KERN_ERR "%s: bad signature 0x%x\n", @@ -560,13 +559,13 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) } ioaddr &= ~3; - printk(KERN_DEBUG "PP_addr at %x[%x]: 0x%x\n", + printk(KERN_DEBUG "PP_addr at %lx[%x]: 0x%x\n", ioaddr, ADD_PORT, readword(ioaddr, ADD_PORT)); writeword(ioaddr, ADD_PORT, PP_ChipID); tmp = readword(ioaddr, DATA_PORT); if (tmp != CHIP_EISA_ID_SIG) { - printk(KERN_DEBUG "%s: incorrect signature at %x[%x]: 0x%x!=" + printk(KERN_DEBUG "%s: incorrect signature at %lx[%x]: 0x%x!=" CHIP_EISA_ID_SIG_STR "\n", dev->name, ioaddr, DATA_PORT, tmp); retval = -ENODEV; @@ -736,8 +735,9 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) dev->irq = i; } else { i = lp->isa_config & INT_NO_MASK; +#ifndef CONFIG_CS89x0_PLATFORM if (lp->chip_type == CS8900) { -#ifdef CONFIG_CS89x0_NONISA_IRQ +#ifdef CS89x0_NONISA_IRQ i = cs8900_irq_map[0]; #else /* Translate the IRQ using the IRQ mapping table. */ @@ -758,6 +758,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) } #endif } +#endif if (!dev->irq) dev->irq = i; } @@ -1168,6 +1169,7 @@ write_irq(struct net_device *dev, int chip_type, int irq) int i; if (chip_type == CS8900) { +#ifndef CONFIG_CS89x0_PLATFORM /* Search the mapping table for the corresponding IRQ pin. */ for (i = 0; i != ARRAY_SIZE(cs8900_irq_map); i++) if (cs8900_irq_map[i] == irq) @@ -1175,6 +1177,10 @@ write_irq(struct net_device *dev, int chip_type, int irq) /* Not found */ if (i == ARRAY_SIZE(cs8900_irq_map)) i = 3; +#else + /* INTRQ0 pin is used for interrupt generation. */ + i = 0; +#endif writereg(dev, PP_CS8900_ISAINT, i); } else { writereg(dev, PP_CS8920_ISAINT, irq); @@ -1228,7 +1234,7 @@ net_open(struct net_device *dev) } else { -#ifndef CONFIG_CS89x0_NONISA_IRQ +#if !defined(CS89x0_NONISA_IRQ) && !defined(CONFIG_CS89x0_PLATFORM) if (((1 << dev->irq) & lp->irq_map) == 0) { printk(KERN_ERR "%s: IRQ %d is not in our map of allowable IRQs, which is %x\n", dev->name, dev->irq, lp->irq_map); @@ -1746,7 +1752,7 @@ static int set_mac_address(struct net_device *dev, void *p) return 0; } -#ifdef MODULE +#if defined(MODULE) && !defined(CONFIG_CS89x0_PLATFORM) static struct net_device *dev_cs89x0; @@ -1900,7 +1906,97 @@ cleanup_module(void) release_region(dev_cs89x0->base_addr, NETCARD_IO_EXTENT); free_netdev(dev_cs89x0); } -#endif /* MODULE */ +#endif /* MODULE && !CONFIG_CS89x0_PLATFORM */ + +#ifdef CONFIG_CS89x0_PLATFORM +static int __init cs89x0_platform_probe(struct platform_device *pdev) +{ + struct net_device *dev = alloc_etherdev(sizeof(struct net_local)); + struct net_local *lp; + struct resource *mem_res; + int err; + + if (!dev) + return -ENOMEM; + + lp = netdev_priv(dev); + + mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + dev->irq = platform_get_irq(pdev, 0); + if (mem_res == NULL || dev->irq <= 0) { + dev_warn(&dev->dev, "memory/interrupt resource missing.\n"); + err = -ENXIO; + goto free; + } + + lp->phys_addr = mem_res->start; + lp->size = resource_size(mem_res); + if (!request_mem_region(lp->phys_addr, lp->size, DRV_NAME)) { + dev_warn(&dev->dev, "request_mem_region() failed.\n"); + err = -EBUSY; + goto free; + } + + lp->virt_addr = ioremap(lp->phys_addr, lp->size); + if (!lp->virt_addr) { + dev_warn(&dev->dev, "ioremap() failed.\n"); + err = -ENOMEM; + goto release; + } + + err = cs89x0_probe1(dev, (unsigned long)lp->virt_addr, 0); + if (err) { + dev_warn(&dev->dev, "no cs8900 or cs8920 detected.\n"); + goto unmap; + } + + platform_set_drvdata(pdev, dev); + return 0; + +unmap: + iounmap(lp->virt_addr); +release: + release_mem_region(lp->phys_addr, lp->size); +free: + free_netdev(dev); + return err; +} + +static int cs89x0_platform_remove(struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + struct net_local *lp = netdev_priv(dev); + + unregister_netdev(dev); + iounmap(lp->virt_addr); + release_mem_region(lp->phys_addr, lp->size); + free_netdev(dev); + return 0; +} + +static struct platform_driver cs89x0_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .remove = cs89x0_platform_remove, +}; + +static int __init cs89x0_init(void) +{ + return platform_driver_probe(&cs89x0_driver, cs89x0_platform_probe); +} + +module_init(cs89x0_init); + +static void __exit cs89x0_cleanup(void) +{ + platform_driver_unregister(&cs89x0_driver); +} + +module_exit(cs89x0_cleanup); + +#endif /* CONFIG_CS89x0_PLATFORM */ /* * Local variables: diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index a229de9..36db5a4 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -258,14 +258,6 @@ config REGULATOR_DB8500_PRCMU This driver supports the voltage domain regulators controlled by the DB8500 PRCMU -config REGULATOR_BQ24022 - tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC" - help - This driver controls a TI bq24022 Charger attached via - GPIOs. The provided current regulator can enable/disable - charging select between 100 mA and 500 mA charging current - limit. - config REGULATOR_TPS6105X tristate "TI TPS6105X Power regulators" depends on TPS6105X diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index b5042c8..94b5274 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o -obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o diff --git a/drivers/regulator/bq24022.c b/drivers/regulator/bq24022.c deleted file mode 100644 index 9fab6d1..0000000 --- a/drivers/regulator/bq24022.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Support for TI bq24022 (bqTINY-II) Dual Input (USB/AC Adpater) - * 1-Cell Li-Ion Charger connected via GPIOs. - * - * Copyright (c) 2008 Philipp Zabel - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/err.h> -#include <linux/module.h> -#include <linux/gpio.h> -#include <linux/regulator/bq24022.h> -#include <linux/regulator/driver.h> - - -static int bq24022_set_current_limit(struct regulator_dev *rdev, - int min_uA, int max_uA) -{ - struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - - dev_dbg(rdev_get_dev(rdev), "setting current limit to %s mA\n", - max_uA >= 500000 ? "500" : "100"); - - /* REVISIT: maybe return error if min_uA != 0 ? */ - gpio_set_value(pdata->gpio_iset2, max_uA >= 500000); - return 0; -} - -static int bq24022_get_current_limit(struct regulator_dev *rdev) -{ - struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - - return gpio_get_value(pdata->gpio_iset2) ? 500000 : 100000; -} - -static int bq24022_enable(struct regulator_dev *rdev) -{ - struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - - dev_dbg(rdev_get_dev(rdev), "enabling charger\n"); - - gpio_set_value(pdata->gpio_nce, 0); - return 0; -} - -static int bq24022_disable(struct regulator_dev *rdev) -{ - struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - - dev_dbg(rdev_get_dev(rdev), "disabling charger\n"); - - gpio_set_value(pdata->gpio_nce, 1); - return 0; -} - -static int bq24022_is_enabled(struct regulator_dev *rdev) -{ - struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - - return !gpio_get_value(pdata->gpio_nce); -} - -static struct regulator_ops bq24022_ops = { - .set_current_limit = bq24022_set_current_limit, - .get_current_limit = bq24022_get_current_limit, - .enable = bq24022_enable, - .disable = bq24022_disable, - .is_enabled = bq24022_is_enabled, -}; - -static struct regulator_desc bq24022_desc = { - .name = "bq24022", - .ops = &bq24022_ops, - .type = REGULATOR_CURRENT, - .owner = THIS_MODULE, -}; - -static int __init bq24022_probe(struct platform_device *pdev) -{ - struct bq24022_mach_info *pdata = pdev->dev.platform_data; - struct regulator_dev *bq24022; - int ret; - - if (!pdata || !pdata->gpio_nce || !pdata->gpio_iset2) - return -EINVAL; - - ret = gpio_request(pdata->gpio_nce, "ncharge_en"); - if (ret) { - dev_dbg(&pdev->dev, "couldn't request nCE GPIO: %d\n", - pdata->gpio_nce); - goto err_ce; - } - ret = gpio_request(pdata->gpio_iset2, "charge_mode"); - if (ret) { - dev_dbg(&pdev->dev, "couldn't request ISET2 GPIO: %d\n", - pdata->gpio_iset2); - goto err_iset2; - } - ret = gpio_direction_output(pdata->gpio_iset2, 0); - ret = gpio_direction_output(pdata->gpio_nce, 1); - - bq24022 = regulator_register(&bq24022_desc, &pdev->dev, - pdata->init_data, pdata, NULL); - if (IS_ERR(bq24022)) { - dev_dbg(&pdev->dev, "couldn't register regulator\n"); - ret = PTR_ERR(bq24022); - goto err_reg; - } - platform_set_drvdata(pdev, bq24022); - dev_dbg(&pdev->dev, "registered regulator\n"); - - return 0; -err_reg: - gpio_free(pdata->gpio_iset2); -err_iset2: - gpio_free(pdata->gpio_nce); -err_ce: - return ret; -} - -static int __devexit bq24022_remove(struct platform_device *pdev) -{ - struct bq24022_mach_info *pdata = pdev->dev.platform_data; - struct regulator_dev *bq24022 = platform_get_drvdata(pdev); - - regulator_unregister(bq24022); - gpio_free(pdata->gpio_iset2); - gpio_free(pdata->gpio_nce); - - return 0; -} - -static struct platform_driver bq24022_driver = { - .driver = { - .name = "bq24022", - }, - .remove = __devexit_p(bq24022_remove), -}; - -static int __init bq24022_init(void) -{ - return platform_driver_probe(&bq24022_driver, bq24022_probe); -} - -static void __exit bq24022_exit(void) -{ - platform_driver_unregister(&bq24022_driver); -} - -module_init(bq24022_init); -module_exit(bq24022_exit); - -MODULE_AUTHOR("Philipp Zabel"); -MODULE_DESCRIPTION("TI bq24022 Li-Ion Charger driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 4768a9d..8c8377d 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -780,8 +780,8 @@ config RTC_DRV_EP93XX will be called rtc-ep93xx. config RTC_DRV_SA1100 - tristate "SA11x0/PXA2xx" - depends on ARCH_SA1100 || ARCH_PXA + tristate "SA11x0/PXA2xx/PXA910" + depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP help If you say Y here you will get access to the real time clock built into your SA11x0 or PXA2xx CPU. diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index c543f6f..9ccea13 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -35,6 +35,8 @@ enum s3c_cpu_type { TYPE_S3C2410, + TYPE_S3C2416, + TYPE_S3C2443, TYPE_S3C64XX, }; @@ -132,6 +134,7 @@ static int s3c_rtc_setfreq(struct device *dev, int freq) struct platform_device *pdev = to_platform_device(dev); struct rtc_device *rtc_dev = platform_get_drvdata(pdev); unsigned int tmp = 0; + int val; if (!is_power_of_2(freq)) return -EINVAL; @@ -139,12 +142,22 @@ static int s3c_rtc_setfreq(struct device *dev, int freq) clk_enable(rtc_clk); spin_lock_irq(&s3c_rtc_pie_lock); - if (s3c_rtc_cpu_type == TYPE_S3C2410) { + if (s3c_rtc_cpu_type != TYPE_S3C64XX) { tmp = readb(s3c_rtc_base + S3C2410_TICNT); tmp &= S3C2410_TICNT_ENABLE; } - tmp |= (rtc_dev->max_user_freq / freq)-1; + val = (rtc_dev->max_user_freq / freq) - 1; + + if (s3c_rtc_cpu_type == TYPE_S3C2416 || s3c_rtc_cpu_type == TYPE_S3C2443) { + tmp |= S3C2443_TICNT_PART(val); + writel(S3C2443_TICNT1_PART(val), s3c_rtc_base + S3C2443_TICNT1); + + if (s3c_rtc_cpu_type == TYPE_S3C2416) + writel(S3C2416_TICNT2_PART(val), s3c_rtc_base + S3C2416_TICNT2); + } else { + tmp |= val; + } writel(tmp, s3c_rtc_base + S3C2410_TICNT); spin_unlock_irq(&s3c_rtc_pie_lock); @@ -371,7 +384,7 @@ static void s3c_rtc_enable(struct platform_device *pdev, int en) tmp &= ~S3C2410_RTCCON_RTCEN; writew(tmp, base + S3C2410_RTCCON); - if (s3c_rtc_cpu_type == TYPE_S3C2410) { + if (s3c_rtc_cpu_type != TYPE_S3C64XX) { tmp = readb(base + S3C2410_TICNT); tmp &= ~S3C2410_TICNT_ENABLE; writeb(tmp, base + S3C2410_TICNT); @@ -428,12 +441,27 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev) return 0; } +static const struct of_device_id s3c_rtc_dt_match[]; + +static inline int s3c_rtc_get_driver_data(struct platform_device *pdev) +{ +#ifdef CONFIG_OF + if (pdev->dev.of_node) { + const struct of_device_id *match; + match = of_match_node(s3c_rtc_dt_match, pdev->dev.of_node); + return match->data; + } +#endif + return platform_get_device_id(pdev)->driver_data; +} + static int __devinit s3c_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct rtc_time rtc_tm; struct resource *res; int ret; + int tmp; pr_debug("%s: probe=%p\n", __func__, pdev); @@ -508,13 +536,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) goto err_nortc; } -#ifdef CONFIG_OF - if (pdev->dev.of_node) - s3c_rtc_cpu_type = of_device_is_compatible(pdev->dev.of_node, - "samsung,s3c6410-rtc") ? TYPE_S3C64XX : TYPE_S3C2410; - else -#endif - s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data; + s3c_rtc_cpu_type = s3c_rtc_get_driver_data(pdev); /* Check RTC Time */ @@ -533,11 +555,17 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "warning: invalid RTC value so initializing it\n"); } - if (s3c_rtc_cpu_type == TYPE_S3C64XX) + if (s3c_rtc_cpu_type != TYPE_S3C2410) rtc->max_user_freq = 32768; else rtc->max_user_freq = 128; + if (s3c_rtc_cpu_type == TYPE_S3C2416 || s3c_rtc_cpu_type == TYPE_S3C2443) { + tmp = readw(s3c_rtc_base + S3C2410_RTCCON); + tmp |= S3C2443_RTCCON_TICSEL; + writew(tmp, s3c_rtc_base + S3C2410_RTCCON); + } + platform_set_drvdata(pdev, rtc); s3c_rtc_setfreq(&pdev->dev, 1); @@ -638,8 +666,19 @@ static int s3c_rtc_resume(struct platform_device *pdev) #ifdef CONFIG_OF static const struct of_device_id s3c_rtc_dt_match[] = { - { .compatible = "samsung,s3c2410-rtc" }, - { .compatible = "samsung,s3c6410-rtc" }, + { + .compatible = "samsung,s3c2410-rtc" + .data = TYPE_S3C2410, + }, { + .compatible = "samsung,s3c2416-rtc" + .data = TYPE_S3C2416, + }, { + .compatible = "samsung,s3c2443-rtc" + .data = TYPE_S3C2443, + }, { + .compatible = "samsung,s3c6410-rtc" + .data = TYPE_S3C64XX, + }, {}, }; MODULE_DEVICE_TABLE(of, s3c_rtc_dt_match); @@ -652,6 +691,12 @@ static struct platform_device_id s3c_rtc_driver_ids[] = { .name = "s3c2410-rtc", .driver_data = TYPE_S3C2410, }, { + .name = "s3c2416-rtc", + .driver_data = TYPE_S3C2416, + }, { + .name = "s3c2443-rtc", + .driver_data = TYPE_S3C2443, + }, { .name = "s3c64xx-rtc", .driver_data = TYPE_S3C64XX, }, diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index 44cd81c..fa512ed 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -23,35 +23,44 @@ #include <linux/platform_device.h> #include <linux/module.h> +#include <linux/clk.h> #include <linux/rtc.h> #include <linux/init.h> #include <linux/fs.h> #include <linux/interrupt.h> +#include <linux/slab.h> #include <linux/string.h> +#include <linux/of.h> #include <linux/pm.h> #include <linux/bitops.h> #include <mach/hardware.h> #include <asm/irq.h> -#ifdef CONFIG_ARCH_PXA +#if defined(CONFIG_ARCH_PXA) || defined(CONFIG_ARCH_MMP) #include <mach/regs-rtc.h> #endif #define RTC_DEF_DIVIDER (32768 - 1) #define RTC_DEF_TRIM 0 - -static const unsigned long RTC_FREQ = 1024; -static DEFINE_SPINLOCK(sa1100_rtc_lock); +#define RTC_FREQ 1024 + +struct sa1100_rtc { + spinlock_t lock; + int irq_1hz; + int irq_alarm; + struct rtc_device *rtc; + struct clk *clk; +}; static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) { - struct platform_device *pdev = to_platform_device(dev_id); - struct rtc_device *rtc = platform_get_drvdata(pdev); + struct sa1100_rtc *info = dev_get_drvdata(dev_id); + struct rtc_device *rtc = info->rtc; unsigned int rtsr; unsigned long events = 0; - spin_lock(&sa1100_rtc_lock); + spin_lock(&info->lock); rtsr = RTSR; /* clear interrupt sources */ @@ -87,26 +96,28 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) rtc_update_irq(rtc, 1, events); - spin_unlock(&sa1100_rtc_lock); + spin_unlock(&info->lock); return IRQ_HANDLED; } static int sa1100_rtc_open(struct device *dev) { + struct sa1100_rtc *info = dev_get_drvdata(dev); + struct rtc_device *rtc = info->rtc; int ret; - struct platform_device *plat_dev = to_platform_device(dev); - struct rtc_device *rtc = platform_get_drvdata(plat_dev); - ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, 0, "rtc 1Hz", dev); + ret = clk_prepare_enable(info->clk); + if (ret) + goto fail_clk; + ret = request_irq(info->irq_1hz, sa1100_rtc_interrupt, 0, "rtc 1Hz", dev); if (ret) { - dev_err(dev, "IRQ %d already in use.\n", IRQ_RTC1Hz); + dev_err(dev, "IRQ %d already in use.\n", info->irq_1hz); goto fail_ui; } - ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, 0, - "rtc Alrm", dev); + ret = request_irq(info->irq_alarm, sa1100_rtc_interrupt, 0, "rtc Alrm", dev); if (ret) { - dev_err(dev, "IRQ %d already in use.\n", IRQ_RTCAlrm); + dev_err(dev, "IRQ %d already in use.\n", info->irq_alarm); goto fail_ai; } rtc->max_user_freq = RTC_FREQ; @@ -115,29 +126,36 @@ static int sa1100_rtc_open(struct device *dev) return 0; fail_ai: - free_irq(IRQ_RTC1Hz, dev); + free_irq(info->irq_1hz, dev); fail_ui: + clk_disable_unprepare(info->clk); + fail_clk: return ret; } static void sa1100_rtc_release(struct device *dev) { - spin_lock_irq(&sa1100_rtc_lock); + struct sa1100_rtc *info = dev_get_drvdata(dev); + + spin_lock_irq(&info->lock); RTSR = 0; - spin_unlock_irq(&sa1100_rtc_lock); + spin_unlock_irq(&info->lock); - free_irq(IRQ_RTCAlrm, dev); - free_irq(IRQ_RTC1Hz, dev); + free_irq(info->irq_alarm, dev); + free_irq(info->irq_1hz, dev); + clk_disable_unprepare(info->clk); } static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) { - spin_lock_irq(&sa1100_rtc_lock); + struct sa1100_rtc *info = dev_get_drvdata(dev); + + spin_lock_irq(&info->lock); if (enabled) RTSR |= RTSR_ALE; else RTSR &= ~RTSR_ALE; - spin_unlock_irq(&sa1100_rtc_lock); + spin_unlock_irq(&info->lock); return 0; } @@ -170,10 +188,11 @@ static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { + struct sa1100_rtc *info = dev_get_drvdata(dev); unsigned long time; int ret; - spin_lock_irq(&sa1100_rtc_lock); + spin_lock_irq(&info->lock); ret = rtc_tm_to_time(&alrm->time, &time); if (ret != 0) goto out; @@ -184,7 +203,7 @@ static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) else RTSR &= ~RTSR_ALE; out: - spin_unlock_irq(&sa1100_rtc_lock); + spin_unlock_irq(&info->lock); return ret; } @@ -211,6 +230,27 @@ static const struct rtc_class_ops sa1100_rtc_ops = { static int sa1100_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; + struct sa1100_rtc *info; + int irq_1hz, irq_alarm, ret = 0; + + irq_1hz = platform_get_irq_byname(pdev, "rtc 1Hz"); + irq_alarm = platform_get_irq_byname(pdev, "rtc alarm"); + if (irq_1hz < 0 || irq_alarm < 0) + return -ENODEV; + + info = kzalloc(sizeof(struct sa1100_rtc), GFP_KERNEL); + if (!info) + return -ENOMEM; + info->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(info->clk)) { + dev_err(&pdev->dev, "failed to find rtc clock source\n"); + ret = PTR_ERR(info->clk); + goto err_clk; + } + info->irq_1hz = irq_1hz; + info->irq_alarm = irq_alarm; + spin_lock_init(&info->lock); + platform_set_drvdata(pdev, info); /* * According to the manual we should be able to let RTTR be zero @@ -232,10 +272,11 @@ static int sa1100_rtc_probe(struct platform_device *pdev) rtc = rtc_device_register(pdev->name, &pdev->dev, &sa1100_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) - return PTR_ERR(rtc); - - platform_set_drvdata(pdev, rtc); + if (IS_ERR(rtc)) { + ret = PTR_ERR(rtc); + goto err_dev; + } + info->rtc = rtc; /* Fix for a nasty initialization problem the in SA11xx RTSR register. * See also the comments in sa1100_rtc_interrupt(). @@ -262,14 +303,24 @@ static int sa1100_rtc_probe(struct platform_device *pdev) RTSR = RTSR_AL | RTSR_HZ; return 0; +err_dev: + platform_set_drvdata(pdev, NULL); + clk_put(info->clk); +err_clk: + kfree(info); + return ret; } static int sa1100_rtc_remove(struct platform_device *pdev) { - struct rtc_device *rtc = platform_get_drvdata(pdev); + struct sa1100_rtc *info = platform_get_drvdata(pdev); - if (rtc) - rtc_device_unregister(rtc); + if (info) { + rtc_device_unregister(info->rtc); + clk_put(info->clk); + platform_set_drvdata(pdev, NULL); + kfree(info); + } return 0; } @@ -277,15 +328,17 @@ static int sa1100_rtc_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int sa1100_rtc_suspend(struct device *dev) { + struct sa1100_rtc *info = dev_get_drvdata(dev); if (device_may_wakeup(dev)) - enable_irq_wake(IRQ_RTCAlrm); + enable_irq_wake(info->irq_alarm); return 0; } static int sa1100_rtc_resume(struct device *dev) { + struct sa1100_rtc *info = dev_get_drvdata(dev); if (device_may_wakeup(dev)) - disable_irq_wake(IRQ_RTCAlrm); + disable_irq_wake(info->irq_alarm); return 0; } @@ -295,6 +348,13 @@ static const struct dev_pm_ops sa1100_rtc_pm_ops = { }; #endif +static struct of_device_id sa1100_rtc_dt_ids[] = { + { .compatible = "mrvl,sa1100-rtc", }, + { .compatible = "mrvl,mmp-rtc", }, + {} +}; +MODULE_DEVICE_TABLE(of, sa1100_rtc_dt_ids); + static struct platform_driver sa1100_rtc_driver = { .probe = sa1100_rtc_probe, .remove = sa1100_rtc_remove, @@ -303,6 +363,7 @@ static struct platform_driver sa1100_rtc_driver = { #ifdef CONFIG_PM .pm = &sa1100_rtc_pm_ops, #endif + .of_match_table = sa1100_rtc_dt_ids, }, }; diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 0b7fed7..e7fecee 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1508,7 +1508,7 @@ static int serial_imx_probe(struct platform_device *pdev) ret = PTR_ERR(sport->clk); goto unmap; } - clk_enable(sport->clk); + clk_prepare_enable(sport->clk); sport->port.uartclk = clk_get_rate(sport->clk); @@ -1531,8 +1531,8 @@ deinit: if (pdata && pdata->exit) pdata->exit(pdev); clkput: + clk_disable_unprepare(sport->clk); clk_put(sport->clk); - clk_disable(sport->clk); unmap: iounmap(sport->port.membase); free: @@ -1552,11 +1552,10 @@ static int serial_imx_remove(struct platform_device *pdev) if (sport) { uart_remove_one_port(&imx_reg, &sport->port); + clk_disable_unprepare(sport->clk); clk_put(sport->clk); } - clk_disable(sport->clk); - if (pdata && pdata->exit) pdata->exit(pdev); diff --git a/include/linux/platform_data/tegra_emc.h b/include/linux/platform_data/tegra_emc.h new file mode 100644 index 0000000..df67505 --- /dev/null +++ b/include/linux/platform_data/tegra_emc.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2011 Google, Inc. + * + * Author: + * Colin Cross <ccross@android.com> + * Olof Johansson <olof@lixom.net> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __TEGRA_EMC_H_ +#define __TEGRA_EMC_H_ + +#define TEGRA_EMC_NUM_REGS 46 + +struct tegra_emc_table { + unsigned long rate; + u32 regs[TEGRA_EMC_NUM_REGS]; +}; + +struct tegra_emc_pdata { + int num_tables; + struct tegra_emc_table *tables; +}; + +#endif diff --git a/include/linux/regulator/bq24022.h b/include/linux/regulator/bq24022.h deleted file mode 100644 index a6d0140..0000000 --- a/include/linux/regulator/bq24022.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Support for TI bq24022 (bqTINY-II) Dual Input (USB/AC Adpater) - * 1-Cell Li-Ion Charger connected via GPIOs. - * - * Copyright (c) 2008 Philipp Zabel - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -struct regulator_init_data; - -/** - * bq24022_mach_info - platform data for bq24022 - * @gpio_nce: GPIO line connected to the nCE pin, used to enable / disable charging - * @gpio_iset2: GPIO line connected to the ISET2 pin, used to limit charging current to 100 mA / 500 mA - */ -struct bq24022_mach_info { - int gpio_nce; - int gpio_iset2; - struct regulator_init_data *init_data; -}; diff --git a/sound/soc/imx/imx-audmux.c b/sound/soc/imx/imx-audmux.c index a839494..601df80 100644 --- a/sound/soc/imx/imx-audmux.c +++ b/sound/soc/imx/imx-audmux.c @@ -80,13 +80,13 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, return -ENOMEM; if (audmux_clk) - clk_enable(audmux_clk); + clk_prepare_enable(audmux_clk); ptcr = readl(audmux_base + IMX_AUDMUX_V2_PTCR(port)); pdcr = readl(audmux_base + IMX_AUDMUX_V2_PDCR(port)); if (audmux_clk) - clk_disable(audmux_clk); + clk_disable_unprepare(audmux_clk); ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", pdcr, ptcr); @@ -237,13 +237,13 @@ int imx_audmux_v2_configure_port(unsigned int port, unsigned int ptcr, return -ENOSYS; if (audmux_clk) - clk_enable(audmux_clk); + clk_prepare_enable(audmux_clk); writel(ptcr, audmux_base + IMX_AUDMUX_V2_PTCR(port)); writel(pdcr, audmux_base + IMX_AUDMUX_V2_PDCR(port)); if (audmux_clk) - clk_disable(audmux_clk); + clk_disable_unprepare(audmux_clk); return 0; } |
